From Wikipedia, the free encyclopedia
|Centuries:||16th century – 17th century – 18th century|
|Decades:||1610s 1620s 1630s – 1640s – 1650s 1660s 1670s|
|Years:||1640 1641 1642 – 1643 – 1644 1645 1646|
|1643 by topic:|
|Arts and Science|
|Architecture - Art - Literature - Music - Science|
|Lists of leaders|
|Colonial governors - State leaders|
|Birth and death categories|
|Births - Deaths|
|Establishments and disestablishments categories|
|Establishments - Disestablishments|
|Ab urbe condita||2396|
|English Regnal year||18 Cha. 1 – 19 Cha. 1|
— to —癸未年十一月廿一日
|- Vikram Samvat||1699–1700|
|- Shaka Samvat||1565–1566|
|- Kali Yuga||4744–4745|
|- Ǹrí Ìgbò||643–644|
|Japanese calendar||Kan'ei 20
|Juche calendar||N/A (before 1912)|
|Julian calendar||Gregorian minus 10 days|
|Minguo calendar||269 before ROC
|Thai solar calendar||2186|
|Wikimedia Commons has media related to: 1643|
- c. January – Claudio Monteverdi's opera L'incoronazione di Poppea is first performed at the Teatro Santi Giovanni e Paolo in Venice.
- January 21 – Abel Tasman discovers the island of Tonga.
- February 6 – Abel Tasman discovers the Fiji islands.
- March 13 – First English Civil War – First Battle of Middlewich: The Roundheads rout the Cavaliers at Middlewich in Cheshire, England.
- April 1 – Åmål, Sweden is granted its city charter.
- April 28 – Francisco de Lucena, former Portuguese Secretary of State, is beheaded after being charged with treason.
- May 14 – Louis XIV succeeds Louis XIII as King of France at age five. His rule will last until his death at age 77 in 1715, a total of 72 years, which will be the longest reign of any European monarch in recorded history.
- May 19
- June 30 – First English Civil War – Battle of Adwalton Moor: Cavaliers (supporters of Charles I) gain control of Yorkshire.
- July 5 – First English Civil War – Battle of Lansdowne: Royalists and Parliamentarians battle to a draw.
- July 13 – First English Civil War – Battle of Roundway Down: In England, Lord Henry Wilmot, Earl of Rochester, commanding the Royalist forces, wins a crushing victory over the Parliamentarian Sir William Waller.
- September 20 – First English Civil War – First Battle of Newbury: Royalists withdraw to end further bloodshed.
- September 21 – Hong Taiji, Qing Dynasty Emperor of China dies.
- October 8 – The Shunzhi Emperor of China is crowned age 5, having been chosen to succeed his father by the Deliberative Council of Princes and Ministers.
- October 28 – The Dutch corsairs end their occupation of Valdivia in what will become Chile.
- November 14 – Empress Meishō abdicates and Emperor Go-Kōmyō accedes to the throne of Japan.
- November 24 – Battle of Tuttlingen: France is defeated by forces of the Holy Roman Empire.
- December 25 – Christmas Island is first sighted, by Captain William Mynors of the British East India Company on the Royal Mary.
Date unknown 
- An Calbhach mac Aedh Ó Conchobhair Donn, The Ó Conchubhair Donn, Chief of the Name of the Clan Ó Conchubhair, is popularly inaugurated as last King of Connacht in Ireland.
- Baden-Baden is pillaged by the French.
- Evangelista Torricelli invents the mercury barometer.
- Paul de Chomedey, Sieur de Maisonneuve, places the first Mount Royal Cross atop Mount Royal above Montreal.
- Jean Bolland publishes the first two volumes of the Acta Sanctorum (in Antwerp). This is the beginning of the Bollandists' work.
- Miyamoto Musashi begins to dictate The Book of Five Rings (Go Rin No Sho) to his student, completing it in 1654 just before his death.
- Roger Williams, a co-founder of Rhode Island, publishes A Key into the Language of America.
- January 4 – Isaac Newton, English astronomer, mathematician and physicist (d. 1727)
- February 16 – John Sharp, English Archbishop of Yorkshire (d. 1714)
- February 25 – Ahmed II, Ottoman Sultan (d. 1695)
- March 25 – Louis Moréri, French encyclopedist (d. 1680)
- April 3 – Charles V, Duke of Lorraine (d. 1690)
- May 7 – Stephanus Van Cortlandt, first native Mayor of New York (d. 1700)
- August 12 – King Afonso VI of Portugal (d. 1683)
- September 18 – Gilbert Burnet, Scottish Bishop of Salisbury (d. 1715)
- September 27 – Solomon Stoddard, American minister (d. 1729)
- October 14 – Bahadur Shah I, Mughal Emperor of India (d. 1712)
- November 1 – John Strype, English historian and biographer (d. 1737)
- November 22 – René-Robert Cavelier, Sieur de La Salle, French explorer (d. 1687)
- February 25 – Marco da Gagliano, Italian composer (b. 1582)
- March 1 – Girolamo Frescobaldi, Italian composer (b. 1583)
- March 1 – Rustam Khan, Georgian-Iranian soldier (b. c. 1588)
- April 4 – Simon Episcopius, Dutch theologian (b. 1583)
- April 20 – Christoph Demantius, German composer (b. 1567)
- April 28 – Francisco de Lucena, Portuguese Secretary of State (b. 1578?)
- May 14 – King Louis XIII of France (b. 1601)
- July 25 – Robert Pierrepont, 1st Earl of Kingston-upon-Hull, English statesman (b. 1584)
- August 20 – Anne Hutchinson, English Puritan preacher (b. 1591)
- September 15 – Richard Boyle, 1st Earl of Cork, Irish politician (b. 1566)
- September 20, at the Battle of Newbury:
- September 21 – Emperor Hong Taiji of China (b. 1592)
- November 3 – John Bainbridge, English astronomer (b. 1583)
- November 3 – Paul Guldin, Swiss astronomer and mathematician (b. 1577)
- November 16 – Jean-Baptiste Budes, Comte de Guébriant, Marshal of France (b. 1602)
- November 29
- December 8 – John Pym, English statesman (b. 1583)
- December 11 – Herman Wrangel, Swedish soldier and politician
- December 30 – Giovanni Baglione, Italian painter and historian of art (b. 1566)
- approx. date – Henry Glapthorne, English dramatist (b. 1610)
- "Christmas Island history". Australian Government, Department of Sustainability, Environment, Water, Population and Communities. 2011-11-02. Retrieved 2011-12-09.