Battle for the Río San Juan de Nicaragua
|Battle for the Río San Juan de Nicaragua|
|Part of Anglo-Spanish War (1761–1763)|
Fortress of the Immaculate Conception, site of the Battle for the Río San Juan de Nicaragua
|Commanders and leaders|
|Lieutenant Don Juan de Aguilar y Santa Cruz|
|Casualties and losses|
|unknown (high)||unknown (low)|
The Battle for the Río San Juan de Nicaragua was one of several important battles that took place during the Anglo-Spanish War, a subconflict of the Seven Years' War which lasted from December 1761 until February 1763. The conflict, which took place in July — August 1762, began when William Lyttelton, the British governor and commander-in-chief of Jamaica, sent a naval expedition to Nicaragua with the primary objective of capturing the town of Granada.
Because it represented a potential route between the Atlantic and Pacific oceans as well as the possibility of expanding their colonization of Central America beyond the Miskito Coast, Nicaragua was a major target of attacks by the British during the 18th century. Due to the economic interests of the British in Central America, the Treaty of Friendship and Alliance was signed on March 16, 1740 between King Edward I of the Miskito Kingdom and King George II of Great Britain of the Great Britain. Under the terms of the treaty, a protectorate was established over the Mosquito Coast and the British supplied modern weapons to the Miskito people. The Miskito Kingdom later aided Britain during the American Revolutionary War by attacking Spanish colonies and gained several victories alongside the British.
Between 1739 and 1748, the Kingdom of Great Britain and the Bourbon Spanish Empire had been at war over a series of trading disputes in a conflict known as the War of Jenkins' Ear, which was later subsumed by the wider War of the Austrian Succession. Most of these disputes were more or less settled by the signing of the Treaty of Aix-la-Chapelle in 1748 and the Treaty of Madrid in 1750.
When the Seven Years' War broke out in Europe in 1756, Spain did not initially join either of the two coalitions of belligerents. The Spanish policy of neutrality was immediately tested on December 26, 1756 when a British privateer, the Antigallican, captured the French ship Penthievre. When the British captain took both ships into the Bay of Cadiz, the Spanish authorities inpounded both ships. Spain insisted that the captured ship should be returned to France, along with the Antigallican which was awarded as compensation. This outraged the British, but no military action was taken. This incident marked the beginning of a decline in Anglo-Spanish relations.
As the Seven Years' War progressed, the neutral Spanish government became concerned that the string of major French losses at the hands of the British had become a threat to Spanish interests. On August 15, 1761, King Charles III of Spain and King Louis XV of France signed the Third Pacte de Famille. This treaty created an alliance between Spain and France and brought Spain into the ongoing war. By an ancillary secret convention, Spain became hurriedly committed to making preparations for war against Britain. The major objectives of Spain were the capture of Gibraltar and Jamaica from Britain.
Britain first declared war against Spain on 4 January 1762 and on 18 January 1762, Spain issued their own declaration of war against Britain. The British quickly captured Cuba and the Philippines in early 1762. Also in early 1762, William Lyttelton, the British governor and commander-in-chief of Jamaica, proposed a naval expedition to Nicaragua. The goal was to sail up the San Juan River to Lake Nicaragua and capture the town of Granada, which would effectively cut Spanish America in half as well as provide potential access to the Pacific Ocean. The first and greatest obstacle to success was to capture the Fortress of the Immaculate Conception.
The conflict began in June 1762, during the administration of interim Governor of Nicaragua Melchor Vidal de Lorca y Villena. Instigated and aided by the British expeditionary force, a group of Miskito Sambu filibusters attacked cocoa plantations in the Valley of Matina. The following month they raided many undefended settlements in Nicaragua, including Jinotega, Acoyapa, Lovigüisca, San Pedro de Lóvago, the mission of Apompuá near Juigalpa and Muy Muy, burning and looting the villages as well as capturing some Spanish prisoners. Many of the people they captured were sold as slaves to British merchants and transported to Jamaica.
The combined British and Miskito Sambu expeditionary force headed towards the Fortress of the Immaculate Conception on the San Juan River in July. The attacking force consisted of two thousand men and more than fifty boats, while the soldiers at the fortress numbered only around a hundred. To make matters worse, the invaders threatened the region at a time when the commander of the fortress, Don José de Herrera y Sotomayor, was mortally ill. As he lay on his deathbed, Herrera's daughter Rafaela made a solemn oath to her father that she would defend the fortress at the cost of her life if necessary. The elder Herrera died some time between July 15 and July 17, and Lieutenant Don Juan de Aguilar y Santa Cruz assumed temporary command of the garrison.
The battle 
The expeditionary force arrived at the fortress on July 26, 1762. At 4 o’clock that morning, the lookout on duty heard cannon fire from the east, in the direction of an observation post which was located at the junction of the Bartola and San Juan rivers. Shortly thereafter, the invaders captured the observation post and its defenders. The British commander learned from the Spanish prisoners that the fortress was in disarray due to the recent death of its commander. A few hours later, with his fleet anchored in the river, the British commander sent an envoy to demand the unconditional surrender of the fortress in exchange for the avoidance of further hostilities. The second in command of the garrison, a sergeant, was about to grant the request when the 19-year-old Herrera intervened. Seeing what she perceived as the cowardly attitude of the defenders, Herrera chided: "Have you forgotten the duties imposed by military honor? Are you going to allow the enemy to steal this fortress, which is the safeguard of the Province of Nicaragua and of your families?" Animated by the spirit of her late father and ancestors and knowing the risk to her honor and virginity with the barbarity of the Miskito Sambu, she strongly opposed the surrender of the fort and insisting that each soldier take his place fighting. She ordered the gates of the fortress to be locked, took the keys and placed sentries.
In response to the rejection of their demands, the British formed a skirmish line, believing that this would be sufficient to achieve the desired effect. Herrera, trained in the handling of weapons, fired one of the cannons and managed to kill the British commander with the third volley of cannon fire. Enraged by the death of their leader, the British hoisted their battle ensign and began a vigorous attack upon the fortress which continued throughout the night. The garrison, energized by Herrera’s heroism, mounted a fierce resistance which inflicted great losses to the British men and boats. At nightfall, Herrera ordered the troops to throw some sheets soaked with alcohol into the river on floating branches and set on fire. The current dragged the burning material towards the enemy craft. This unexpected action forced the invading British troops to suspend their attack for the rest of the night and retreat to defensive positions. The next day the British laid siege to the fortress, but with little progress and many casualties on their side.
Inspired by Herrera's acts of heroism, Lieutenant Juan de Aguilar, the pro tempore garrison commander, led the defenders to victory in a battle that lasted six days. Herrera handled the cannons of the fortress and the Spanish managed not only to defend the strategic position but also to defeat a much larger and better trained military force. The British finally lifted their siege and retreated on August 3, 1762. They withdrew to the mouth of San Juan River, where their presence impeded the flow of shipping into the Caribbean Sea for some time.
Fortunately for the defenders of the fortress, Spain and Britain began peace negotiations (in Fontainebleau on November 3, 1762), which culminated in the Treaty of Paris on February 10, 1763. Cuba and Manila, which had been captured by the British, were returned to Spain and the Spanish ceded Florida to the British.
After Spain entered the American Revolutionary War in 1779, Major General John Dalling, the British governor and commander-in-chief of Jamaica, proposed a second naval expedition to Nicaragua. During this expedition, which took place in 1780 and later became known as the San Juan Expedition, Colonel John Polson and Captain Horatio Nelson led a British attack against the fortress. At the time, the Spanish garrison consisted of 228 men under the command of Juan de Ayssa (who later served as Governor of Nicaragua from 1783–7). The expeditionary force succeeded in capturing the fortress on April 29, 1780, despite the fact that it consisted of only 200 men. The 22-year-old Nelson, in command of HMS Hinchinbrook, was responsible for leading his men through dense jungle to attack the fortress from a hill in the rear. The British captured the fortress and occupied it for nine months, finally abandoning it in January 1781.
See also 
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