|United States Secretary of War|
September 12, 1789 – December 31, 1794
|Preceded by||Position established|
|Succeeded by||Timothy Pickering|
|Continental States Secretary of War|
March 8, 1785 – September 12, 1789
|Preceded by||Benjamin Lincoln|
|Succeeded by||Position abolished|
|Senior Officer of the United States Army|
December 23, 1783 – June 20, 1784
|Preceded by||George Washington|
|Succeeded by||John Doughty|
July 25, 1750|
Boston, Massachusetts, U.S.
|Died||October 25, 1806
near Thomaston, Massachusetts, U.S.
|Service/branch|| Continental Army
United States Army
|Years of service||1772–1784|
|Commands||Chief of Artillery|
|Battles/wars||American Revolutionary War
• Battle of Bunker Hill
• Siege of Boston
• Battle of Long Island
• Battle of Trenton
• Battle of the Assunpink Creek
• Battle of Princeton
• Battle of Brandywine
• Battle of Germantown
• Battle of Monmouth
• Siege of Yorktown
Born and raised in Boston, Massachusetts, he owned and operated a bookstore there, cultivating an interest in military history and joining a local artillery company. When the American Revolutionary War broke out in 1775, he befriended General George Washington, and quickly rose to become the chief artillery officer of the Continental Army. In this role he accompanied Washington on most of his campaigns, and had some involvement in many major actions of the war. He established training centers for artillerymen and manufacturing facilities for weaponry that were valuable assets to the fledgling nation.
Following the adoption of the United States Constitution, he became President Washington's Secretary of War. In this role he oversaw the development of coastal fortifications, worked to improve the preparedness of local militia, and oversaw the nation's military activity in the Northwest Indian War. He was formally responsible for the nation's relationship with the Indian population in the territories it claimed, articulating a policy that established federal government supremacy over the states in relating to Indian nations, and called for treating Indian nations as sovereign. Knox's idealistic views on the subject were frustrated by ongoing illegal settlements and fraudulent land transfers involving Indian lands.
He retired to what is now Thomaston, Maine in 1795, where he oversaw the rise of a business empire built on borrowed money. He died in 1806 from an infection received after swallowing a chicken bone, leaving an estate that was bankrupt.
- 1 Early life and marriage
- 2 Military career
- 3 Secretary of War
- 4 Business ventures and land speculation
- 5 Death
- 6 Honors
- 7 Notes
- 8 References
- 9 Further reading
- 10 External links
Early life and marriage
Henry Knox's parents, William and Mary (née Campbell), were of Scotch-Irish origin. His father was a ship builder who, due to financial reverses, left the family for St Eustatius in the West Indies where he died in 1759 of unknown causes.
Henry was admitted to the Boston Latin School, where he studied Greek, Latin, arithmetic, and European history. Since he was the oldest son still at home when his father died, he left school at the age of 12 and became a clerk in a bookstore to support his mother. The shop's owner, Nicholas Bowes, became a surrogate father figure for the boy. However, Knox was also involved in Boston's street gangs, becoming one of the toughest fighters in his neighborhood. Impressed by a militiary demonstration, he joined a local artillery company called The Train at 18.
On March 5, 1770 Knox was a witness to the Boston massacre. According to his affidavit, he attempted to defuse the situation, trying to convince the British soldiers to return to their quarters. He also testified at the trials of the soldiers, in which all but two were acquitted. In 1771 he opened his own bookshop, the London Book Store, in Boston "opposite William's Court in Cornhill." Largely self-educated, he stocked books on military science, and also questioned soldiers who frequented his shop in military matters. In 1772 he cofounded the Boston Grenadier Corps as an offshoot of The Train, and served as its second in command. Shortly before his 23rd birthday Knox accidentally discharged a shotgun, shooting two fingers off his left hand. He managed to bind the wound up and reach a doctor, who sewed the wound up.
Knox supported the Sons of Liberty, an organization of agitators against what they considered repressive British colonial policies. It is unknown if he participated in the 1773 Boston Tea Party, but he did serve on guard duty before the incident to make sure no tea was unloaded from the Dartmouth, one of the ships involved. The next year he refused a consignment of tea sent to him by James Rivington, a Loyalist in New York.
Henry married Lucy Flucker (1756–1824), the daughter of Boston Loyalists, on June 16, 1774, despite opposition from her father that was due to their differing political views. Lucy's brother served in the British Army, and her family attempted to lure Knox to service there. Despite long separations due to his military service, the couple were devoted to one another for the rest of his life, and carried on an extensive correspondence. Since the couple fled Boston in 1775, she remained essentially homeless until the British evacuated the city in March 1776. Even afterward, she often traveled to visit Knox in the field. Her parents left, never to return, with the British during their withdrawal from Boston after the Continental Army fortified Dorchester Heights, a success that ironically hinged upon Knox's Ticonderoga expedition.
Siege of Boston
When the war broke out with the Battles of Lexington and Concord on April 19, 1775, Knox and Lucy sneaked out of Boston, and Knox joined the militia army besieging the city. His abandoned bookshop was looted and all of its stock destroyed or stolen. He served under General Artemas Ward, putting his acquired engineering skills to use developing fortifications around the city. He directed rebel cannon fire at the Battle of Bunker Hill. When General George Washington arrived in July 1775 to take command of the army, he was impressed by the work Knox had done. The two also immediately developed a liking for one another, and Knox began to interact regularly with Washington and the other generals of the developing Continental Army. Knox did not have a commission in the army, but John Adams in particular worked in the Second Continental Congress to acquire for him a commission as colonel of the army's artillery regiment. Knox bolstered his own case by writing to Adams that Richard Gridley, the older leader of the artillery under Ward, was disliked by his men and in poor health.
As the siege wore on, the idea arose that cannons recently captured at the fall of forts Ticonderoga and Crown Point in upstate New York could have a decisive impact on its outcome. Knox is generally credited with suggesting the prospect to Washington, who thereupon put him in charge of an expedition to retrieve them even though Knox's commission had not yet arrived. Reaching Ticonderoga on December 5, Knox commenced what came to be known as the noble train of artillery, hauling by ox-drawn sled 60 tons of cannons and other armaments across some 300 miles (480 km) of ice-covered rivers and snow-draped Berkshire Mountains to the Boston siege camps.
The region was lightly populated and Knox had to overcome difficulties hiring personnel and draft animals. On several occasions cannons crashed through the ice on river crossings, but the detail's men were always able to recover them. In the end, what Knox had expected to take just two weeks actually took more than six, and he was finally able to report the arrival of the weapons train to Washington on January 27, 1776. Called by historian Victor Brooks "one of the most stupendous feats of logistics" of the entire war, Knox's effort is commemorated by a series of plaques marking the Henry Knox Trail in New York and Massachusetts.
Upon the cannons' arrival in Cambridge they were immediately deployed to fortify the Dorchester Heights recently taken by Washington. So commanding was the new battery over Boston harbor the British withdrew their fleet to Halifax. With the siege ended, Knox undertook the improvement of defenses in Connecticut, Rhode Island, and New York City in anticipation of British attack there. In New York he met Alexander Hamilton, commander of the local artillery. The two men formed a close friendship that lasted until Hamilton's death in 1804. During his military service Knox also established a close friendship with fellow Massachusetts native Benjamin Lincoln.
New York and New Jersey campaign
Knox was with Washington's army during the New York and New Jersey campaign, including most of the major engagements resulting in the loss of New York City. He narrowly escaped capture following the British invasion of Manhattan, only making it back to the main Continental Army lines through the offices of Aaron Burr. He was in charge of logistics in the critical crossing of the Delaware River that preceded the December 26, 1776 at the Battle of Trenton. Though hampered by ice and cold, with John Glover's Marbleheaders (14th Continental Regiment) manning the boats, he got the attack force of men, horses and artillery across the river without loss. Following the battle he returned the same force, along with hundreds of prisoners, captured supplies and all the boats back across the river by the afternoon of December 26. Knox was promoted to brigadier general for this accomplishment, and given command of an artillery corps expanded to five regiments. The army again crossed the river a few days later after the decision to make a stand at Trenton. Knox was with the army at the January 2, 1777 at the Battle of the Assunpink Creek, and again the next day at Princeton.
In 1777 while the army was in winter quarters at Morristown, New Jersey, Knox returned to Massachusetts to improve the Army's artillery manufacturing capability. He raised an additional battalion of artillerymen and established an armory at Springfield, Massachusetts before returning to the main army in the spring. That armory, and a second at Yorktown, Pennsylvania established by one of his subordinates, remained valuable sources of war material for the rest of the war.
Knox returned to the main army for the 1777 campaign. In June he learned that Congress had appointed Philippe Charles Tronson du Coudray, a French soldier of fortune, to command the artillery. Du Coudray's appointment upset not only Knox, who immediately threatened his resignation to Congress, but also John Sullivan and Nathanael Greene, who also protested the politically motivated appointment. Du Coudray was subsequently reassigned to the post of inspector general, and died in a fall from his horse while crossing the Schuylkill River in September 1777.
Knox was present at Brandywine, the first major battle of the Philadelphia campaign, and at Germantown. At Germantown he made the critical suggestion, approved by Washington, to capture rather than bypass the Chew House, a stone mansion that the British had occupied as a strong defensive position. This turned out to significantly delay the army's advance and gave the British an opportunity to reform their lines. Knox afterward wrote to Lucy, "To [morning fog and] the enemy's taking possession of some stone buildings in Germantown, is to be ascribed the loss of the victory." Knox was also present at the Battle of Monmouth in July 1778, where Washington commended him for the artillery's performance. The army saw no further action that year, but privateers that Knox and fellow Massachusetts native Henry Jackson invested in were not as successful as they hoped; many of them were captured by the British.
Artillery training school and Yorktown
Knox and the artillery established a winter cantonment at Pluckemin (a hamlet of Bedminster, New Jersey). There Knox established the Continental Army's first school for artillery and officer training. This facility is considered the precursor to the United States Military Academy at West Point, New York. While there, through the summer of 1779, General Knox spent most of his time training more than 1,000 soldiers in conditions of low morale and scarce supplies. Conditions were exceptionally harsh in the winter of 1779–80, and Washington's army was again largely inactive in 1780 while the main action in the war moved south.
In late September 1780 Knox was a member of the court martial that convicted Major John André, the British officer whose arrest exposed the treachery of Benedict Arnold. (Knox had, in an interesting twist, briefly shared accommodations with André while en route to Ticonderoga in 1775, when the latter was traveling south on parole after being captured near Montreal.) During these years of relative inaction Knox made several trips to the northern states as Washington's representative to increase the flow of men and supplies to the army. In 1781 Knox accompanied Washington's army south and participated in the decisive Siege of Yorktown. He was personally active in the field, directing the placement and aiming of the artillery. The Marquis de Chastellux, with whom Knox established a good friendship, wrote of Knox, "We cannot sufficiently admire the intelligence and activity with which he collected from different places and transported to the batteries more than thirty pieces ...", and "one-half has been said in commending his military genius. Washington specifically called out both Knox and the French artillery chief for their roles in the siege, and recommended to Congress that Knox be promoted.
Knox was promoted to major general on March 22, 1782; he became the army's youngest major general. He and Congressman Gouverneur Morris were assigned to negotiate prisoner exchanges with the British. These negotiations failed because the sides could not agree on processes and terms for matching various classes of captives. He joined the main army at Newburgh, New York, and inspected the facilities at West Point, considered a crucial defensive position. After enumerating its defects and needs, Washington appointed him its commander in August 1782. The next month he was devastated by the death of his nine-month-old son, and fell into a depression. He soldiered on, however, becoming involved in negotiations with the Confederation Congress and Secretary at War Benjamin Lincoln over the issue of pensions and overdue compensation for the military. Knox wrote a memorial, signed by a number of high-profile officers, suggesting that Congress pay all back pay immediately and offer a lump-sum pension rather than providing half-pay for life. The unwillingness of Congress to deal with the issue prompted Knox to write a warning letter, in which he wrote "I consider the reputation of the American army as one of the most immaculate things on earth, and that we should even suffer wrongs and injuries to the utmost verge of toleration rather than sully it in the least degree. But there is a point beyond which there is no sufferance. I pray we will sincerely not pass it." When rumors of mutiny in the higher rank circulated in March 1783, Washington held a meeting in which he made an impassioned plea for restraint. In the meeting, Knox introduced motions reaffirming the officers' attachment to Washington and Congress, helping to defuse the crisis. Because of the unresolved issues, however, Knox and others became vigorous proponents of a stronger national government, something which leading political leaders (including Thomas Jefferson, John Hancock, and Samuel Adams) opposed at the time.
With the arrival of news of a preliminary peace in April 1783 Congress began to order the demobilization of the army, and Washington gave Knox day-to-day command of what remained of the army. During this time Knox organized the Society of the Cincinnati, a hereditary fraternity of Revolutionary War officers that survives to this day. The hereditary nature of its membership raised some eyebrows, but it was generally well received. He also drafted plans for the establishment of a peacetime army, many of whose provisions were eventually implemented. These plans included two military academies (one naval and one army, the latter occupying the critical base at West Point), and bodies of troops to maintain the nation's borders.
When the British withdrew the last of their troops from New York on November 21, 1783, Knox was at the head of the American forces that took over. He stood next to Washington during the latter's farewell address on December 4 at Fraunces Tavern. After Washington retired, Knox became the senior officer of the army.
The post of Secretary at War became available when Benjamin Lincoln resigned in November 1783, and Lincoln had recommended Knox to follow him. Although the Confederation Congress had been aware of Lincoln's intent to resign when the formal peace arrived, it had not named a successor. Knox had been considered for the job when it was given to Lincoln in 1781, and expressed his interest in succeeding Lincoln. However, in the absence of a guiding hand in the War Department, Congress attempted to implement an idea for a standing militia force as a peacetime army. Knox resigned his army commission in early 1784, "well satisfied to be excluded from any responsibility in arrangements which it is impossible to execute", and Congress' idea failed.
Knox returned to Massachusetts, where the family established a home in Dorchester. Knox worked to reassemble a large parcel of land in Maine (parts of what are sometimes called the Waldo Patent and the Bingham Purchase) that had been confiscated from his Loyalist in-laws. He was able to assemble a vast multi-million acre real estate empire in Maine, including almost all of the old Flucker holdings, in part by getting appointed the state's official for disposing of seized lands, and then rigging the sale of his in-laws' lands to a straw buyer acting on his behalf. He was also appointed to a state commission responsible for negotiating treaty provisions with the Penobscot Indians of central Maine. This commission also became involved in investigating issues surrounding the eastern border with Nova Scotia (now New Brunswick), a matter that would not be resolved until the 1842 Webster-Ashburton Treaty.
Secretary of War
Congress finally appointed Knox the nation's second Secretary at War on March 8, 1785, after considering a number of other candidates. The army was by then a fraction of its former size, and the new nation's westward expansion was exacerbating frontier conflicts with Indian tribes. The War Department Knox took over had two civilian employees and a single small regiment. Congress in 1785 authorized the establishment of a 700 man army. Knox was only able to recruit six of the authorized ten companies, which were stationed on the western frontier.
Some members of the Confederation Congress opposed the establishment of a peacetime army, and also opposed the establishment of a military academy (one of Knox's key proposals) on the basis that it would establish an egalitarian military class capable of dominating society. Knox first proposed an army mainly composed of state militia, specifically seeking to change attitudes in Congress about a democratically managed military. Although the plan was initially rejected, many of its details were eventually adopted in the formation and administration of the United States Army. The need for an enhanced military role took on some urgency in 1786 when Shays' Rebellion broke out in Massachusetts, threatening the Springfield Armory. Knox personally went to Springfield to see to its defense. Although Benjamin Lincoln raised a militia force and put down the rebellion, it highlighted the weakness of both the military and defects in the Articles of Confederation that hampered Congressional ability to act on the matter. In the rebellion's aftermath Congress called what became known as the Constitutional Convention, in which the current United States Constitution was drafted. Knox in early 1787 sent George Washington a draft proposal for a government that bears significant resemblance to what was eventually adopted. When Washington asked Knox if he should attend the convention, Knox urged him to do so: "It would be circumstance highly honorable to your fame, in the judgment of the present and future ages, and double entitle you to the glorious epithet — Father of Your Country." This is possibly the earliest documented application of the phrase "Father of His Country" to Washington. Knox actively promoted the adoption of the new constitution, engaging correspondents in many colonies on the subject, but especially concentrating on achieving its adoption by Massachusetts, where its support was seen as weak. After its adoption he was considered by some to be a viable candidate for vice president, but he preferred to remain the war office, and the office went to John Adams. With the adoption of the new constitution and the establishment of the War Department, Knox's title changed to Secretary of War.
As part of his duties as Secretary of War, Knox was responsible for implementation of the Militia Act of 1792. This included his evaluation of the arms and readiness of the militia finding that only 20% of the 450,000 members of the militia were capable of arming themselves at their own expense for militia service as required by the act. To resolve this arms shortage, Knox recommended to Congress that the federal government increase the purchase of imported weapons, ban the export of domestically produced weapons and establish facilities for the domestic production and stockpiling of weapons. These facilities included the existing Springfield Armory and another at Harpers Ferry, Virginia. In 1792 Congress, acting on a detailed proposal from Knox, created the short-lived Legion of the United States.
When the French Revolutionary Wars broke out in 1793, American merchant shipping began to be affected after Washington formally declared neutrality in the conflict. Both France and Britain began interfering with American shipping. Most of the Continental Navy's few ships were sold off at the end of the revolutionary war, leaving the nation's merchant fleet without any defenses against piracy or seizure on the high seas. Knox urged and presided over the creation of a regular United States Navy and the establishment of a series of coastal fortifications.
Indian diplomacy and war
Knox was responsible for managing the nation's relations with the Native Americans resident in lands it claimed, following a 1789 act of U.S. Congress. Knox, in several documents drafted for Washington and Congress, articulated the nation's early Native American policy. He stated that Indian nations were sovereign and possessed the land they occupied, and that the federal government (and not the states) should therefore be responsible for dealings with them. These policies were implemented in part by the passage of the Indian Trade and Intercourse Act of 1790, which forbade the sale of Native American lands except in connection with a treaty with the federal government. Knox wrote, "The Indians, being the prior occupants, possess the right to the soil. It cannot be taken from them except by their consent, or by rights of conquest in case of a just war. To dispossess them on any other principle would be a great violation of the fundamental laws of nature." Historian Robert Miller claims that statements like these seem to support indigenous rights to land, but were ignored in the practice of the Doctrine of Discovery, which came to govern the taking of Native lands.
American Indian wars, including the Chickamauga Wars (1776–1794) and the Northwest Indian War, would occupy much of his tenure. During the years of the Confederation, there had been insufficient Congressional support for any significant action against the Nations on the western frontier. The British supported the northwestern tribes from frontier bases that they continued to occupy after the Revolutionary War ended (in violation of the Treaty of Paris), and the Cherokee and Creek continued to contest illegal encroachment of colonial settlers on their lands. In October 1790 Knox organized a campaign led by General Josiah Harmar into the Northwest Territory in retaliation for Native American raids against colonial settlers in that territory and that of present-day Kentucky. That campaign, and a second one in 1791 led by territorial Governor Arthur St. Clair, both failed in the objective of pacifying the Native Americans, and Knox was widely blamed for the failure to protect the frontier. Seeking to close the issue before he left office, he organized an expedition led by Anthony Wayne that brought the conflict to a meaningful end with the 1794 Battle of Fallen Timbers. Wayne's "troops had burned 'immense fields of corn' for a stretch of about fifty miles along the river", in a move that affected civilian non-combatants. The result of American military action in the Northwest led to the Treaty of Greenville, which forced the defeated Native Americans to cede lands in the Ohio area. The bloody campaigns that Secretary Knox oversaw in some cases involved armies many times larger than later battles in the 1870s.
The Native American nations refused to be removed from their lands without a fight, and they opposed the Americans' attempts to forcefully remove them in warfare, by trickery or by treaties, since they had owned and lived on the lands for thousands of years. One group of Americans wanted direct "Indian Removal" and the mass extermination of any tribe on land it wanted; Washington and Secretary Knox also wanted the lands. They generally (though not always) felt the use of force would be too costly to Americans, and sought other means to take Native American lands. Instead, Knox at first recommended a continuation of British policies, furnishing the Native nations with livestock, farming implements, and missionaries, in order to pacify them. After failing to appease the Cherokee and Creek with a large cache of gifts in 1789, Knox eventually signed the Treaty of New York on behalf of the nation in 1790, ending conflict with some, but not all, Cherokee tribal units. Of the genocide of the native populations in the nation's most heavily populated areas, Knox wrote, "A future historian may mark the causes of this destruction of the human race in sable colors." Noam Chomsky claims that the nation's leaders "knew what they were doing", and often used language saying they were the natives' "benefactors", "philanthropists and humanitarians", when in reality they were engaged in the "genocidal practices" of extermination and "Indian Removal". In fact, Knox said what the Europeans and Americans were doing to the native nations was so harmful that "our modes...have been more destructive to the Indian natives than the conduct of the conquerors of Mexico and Peru". He went on to cite the fact that where there was white civilization, there was "the utter extirpation" of natives, or almost none left. Regardless of whether the Americans wanted to obtain Native American lands by purchase, conquest or other means, "there would be no lasting peace while land remained the object of American Indian policy", which continued after Knox left office. Washington's policies, as carried out by Secretary Knox, set the stage for the rise of Tecumseh. Many thousands of Native Americans refused to accept treaties, claiming that they had not approved them and that their only purpose was to remove them from their lands. They specifically cited the Treaty of Greenville, and reoccupied ancestral lands, beginning renewed resistance in the Northwest that was finally crushed in the War of 1812.
On January 2, 1795, Knox left the government and returned to his home at Thomaston (now in Maine, but then still a part of Massachusetts), to devote himself to caring for his growing family. He was succeeded in the post of Secretary of War by Timothy Pickering.
Business ventures and land speculation
Knox settled in Thomaston, and built a magnificent three story mansion surrounded by outbuildings called Montpelier, the whole of "a beauty, symmetry and magnificence" said to be unequaled in the Commonwealth. He spent the rest of his life engaged in cattle farming, ship building, brick making and real estate speculation. Connections formed during the war years served Knox well, as he invested widely in frontier real estate, from the Ohio valley to Maine (although his largest holdings by far were those in Maine). Although he claimed to treat settlers on his Maine lands fairly, he used intermediaries to evict those who did not pay their rents or squatted on the land. These tactics upset those settlers to the point where they once threatened to burn Montpelier down. One of the people Knox took land from was Joseph Plumb Martin, a soldier who settled in Maine and wrote a memoir of his war experiences. Knox briefly represented Thomaston in the Massachusetts General Court, but he eventually became so unpopular that he lost the seat to a local blacksmith.
Many incidents in Knox's career attest to his character, both good and bad. As one example, when he and Lucy were forced to leave Boston in 1775, his home was used to house British officers who looted his bookstore. In spite of personal financial hardships, he managed to make the last payment of £1,000 to Longman Printers in London to cover the price of a shipment of books that he never received. In Maine, however, he would be remembered as a grasping tyrant and was forever immortalized in Nathanial Hawthorne's The House of the Seven Gables, for which he served as the model for Col. Pyncheon.
As well as building a landed estate, Knox attempted to enlarge his fortune through industrial craft enterprises. He had interests in lumbering, ship building, stock raising and brick manufacturing. Unfortunately for him, these businesses failed (due in part to a lack of focused investment), and Knox built up significant debts. Knox was forced to sell large tracts of land in Maine to satisfy some of his creditors. The purchaser of his Maine lands was a Pennsylvania banker named William Bingham, leading those tracts to become known locally as the Bingham Purchase.
In 1806 while visiting a close friend, Knox swallowed a chicken bone, which lodged in his throat and became infected. He died at home three days later, on October 25, 1806, and was buried on his estate in Thomaston with full military honors.
Lucy died in 1824, having sold off more portions of the family properties to pay the creditors of Knox's insolvent estate. The couple had 13 children although only one son, Henry Jackson Knox, survived to adulthood, and he was known for his drinking and scandalous behavior. Repenting and "impressed with a deep sense of his own unworthiness,' upon his death in 1832 the wastrel son Henry requested that his remains not be interred with his honored relatives but deposited in a common burial ground "with no stone to tell where."
Montpelier remained in the family until it was demolished in 1871 to make way for the Brunswick-Rockland railroad line. The only surviving structure is an outbuilding that currently houses the Thomaston Historical Society. The current Montpelier Museum is a 20th-century reconstruction not far from the original's site.
Towns and cities in Maine, Indiana, Iowa, Illinois, and Tennessee are named Knox or Knoxville in his honor. There are counties named for Knox in Illinois, Indiana, Kentucky, Maine, Missouri, Nebraska, Ohio, Tennessee and Texas. The house he used as a headquarters in New Windsor, New York during the Revolution has been preserved as Knox's Headquarters State Historic Site, and has been declared a National Historic Landmark. Knox Township, Illinois is named after Knox, as is Knox Place in The Bronx, New York.
Two forts, one in Kentucky and another in Maine were named after him. Knox Hall at Fort Sill, Oklahoma, home of the United States Army Field Artillery School, is named in his honor, as is an annual award recognizing the performance of United States artillery batteries. The Major General Nathanael Greene class large coastal tug USAV Major General Henry Knox (LT-802) is named in honor of Knox. His papers have been preserved at the Massachusetts Historical Society, and his personal library resides in the Boston Athenaeum in proximity to that of his friend, George Washington.
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- The American Indian: past and present" Roger Nichols, 1986, Newbery Award Records, p. 144
- Eaton, pg. 209. Maine was at the time still part of the Commonwealth of Massachusetts.
- Griffiths, Thomas, Maine Sources in The House of the Seven Gables (Waterville, Maine, 1945). (Hawthorne visited Thomaston prior to writing the book.)
- "Book of Members, 1780–2010: Chapter K". American Academy of Arts and Sciences. Retrieved 14 April 2011.
- Callahan (1958), p. 380
- Puls (2008), pp. 246–247
- Puls (2008), pp. 248–249
- Taylor, p. 213
- Taylor, p. 47
- Eaton,pg. 355
- "History of the Society's Building". Thomaston Historical Society. Retrieved July 19, 2011.
- "History of Montpelier". The General Knox Museum. Retrieved July 19, 2011.[dead link]
- Puls (2008), p. 250
- "NHL listing for Knox Headquarters". National Park Service. Retrieved 2011-07-28.
- "Knox's Headquarters State Historic Site". New York State Office of Parks, Recreation, and Historic Preservation. Retrieved 2011-07-28.
- Puls (2008), pp. 249–250
- "Fort Sill Memorial Database". United States Army. Retrieved July 19, 2011.[dead link]
- "Fort Sill: Who We Are". United States Army. Retrieved July 19, 2011.
- De Leon, Sgt. Jaime D. (April 16, 2010). "3rd BCT artillerymen earn Knox Award". United States Army. Retrieved July 19, 2011.
- "Registry of Army Vessel Names". United States Army. Retrieved 2011-07-28.
- "Henry Knox Papers". Massachusetts Historical Society. Retrieved July 19, 2011.
- Brooks, Noah (1900). Henry Knox, a Soldier of the Revolution: Major-general in the Continental Army, Washington's Chief of Artillery, First Secretary of War Under the Constitution, Founder of the Society of the Cincinnati; 1750–1806. New York: G.P. Putnam's Sons. OCLC 77547631.
- Brooks, Victor (1999). The Boston Campaign. Conshohocken, PA: Combined Publishing. ISBN 1-58097-007-9. OCLC 42581510.
- Callahan, North (1958). Henry Knox: General Washington's General. New York: Rinehart.
- Martin, James Kirby (1997). Benedict Arnold: Revolutionary Hero (An American Warrior Reconsidered). New York University Press. ISBN 0-8147-5560-7.
- Eaton, Cyrus (1865). History of Thomaston, Rockland and South Thomaston, Maine. Thomaston Historical Society I (Reprinted by Courier-Gazette, Inc. 1972 ed.). Hallowell, Masters, Smith & Co.
- Mattern, David (1998). Benjamin Lincoln and the American Revolution (paperback ed.). Columbia, SC: University of South Carolina Press. ISBN 978-1-57003-260-8. OCLC 39401358.
- McNickle, D'Arcy (1993). Native American Tribalism: Indian Survivals and Renewals. New York: Oxford University Press. ISBN 978-0-19-508422-1. OCLC 191038173.
- Puls, Mark (2008). Henry Knox: Visionary General of the American Revolution. New York: Palgrave Macmillan. ISBN 978-0-230-62388-0.
- Taylor, Alan (1990). Liberty Men and Great Proprietors. Chapel Hill, NC: University of North Carolina Press. ISBN 978-0-8078-4282-9. OCLC 233271601.
- Ward, Harry (1965). The Department of War, 1781–1795. Pittsburgh, PA: University of Pittsburgh Press. ISBN 978-0-8229-8375-0. OCLC 569079.
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- Carter, Michael (1997) Nation building and the Military: The Life and Career of Secretary at War Henry Knox, 1750-1806.(PhD dissertation) OCLC 39218113
- Knox, Henry; Waters, Henry Fitz-Gilbert (ed) (1876). Henry Knox's Diary. New England Historical and Genealogical Register. Diary of the Ticonderoga expedition.
- Rubin Stuart, Nancy. Defiant brides : the untold story of two revolutionary-era women and the radical men they married, Boston : Beacon Press, 2013. ISBN 9780807001172
|Wikimedia Commons has media related to Henry Knox.|
|Wikiquote has a collection of quotations related to: Henry Knox|
|Wikisource has the text of a 1905 New International Encyclopedia article about Henry Knox.|
- Knox Montpelier Home Museum
- The Historical Society of The Somerset Hills Vanderveer House
- The Vanderveer/Knox House & Museum Official Website
- The Knox Cannon Trail
- The William L. Clements Library has a The Henry and Lucy Knox collection
- Some of the books once owned by Knox now reside in the collection of the Boston Athenaeum
- US Army Armor Center, Fort Knox, KY
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