January 4 » Great Britain declares war on Spain, thus entering the Seven Years' War.
June 6 » In the Seven Years' War, British forces begin the Siege of Havana and temporarily capture the city.
July 17 » Former emperor Peter III of Russia is murdered.
September 12 » The Sultanate of Sulu ceded Balambangan Island to the British East India Company
September 15 » Seven Years' War: Battle of Signal Hill.
October 6 » Seven Years' War: The British Capture Manila from Spain and occupy it.
Day of burial September 11, 1778
The temperature on September 11, 1778 was about 12.0 °C. There was 29 mm of rainWind direction mainly west-southwest. Weather type: regen half bewolkt. Source: KNMI
February 9 » Rhode Island becomes the fourth US state to ratify the Articles of Confederation.
June 18 » American Revolutionary War: British troops abandon Philadelphia.
June 28 » American Revolutionary War: The American Continentals engage the British in the Battle of Monmouth Courthouse resulting in standstill and British withdrawal under cover of darkness.
August 21 » American Revolutionary War: British forces begin besieging the French outpost at Pondichéry.
September 17 » The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
December 15 » American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I442305.php : accessed January 21, 2026), "Jan van Dun (-1778)".
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