January 4 » Great Britain declares war on Spain, thus entering the Seven Years' War.
May 5 » Russia and Prussia sign the Treaty of St. Petersburg.
May 22 » Trevi Fountain is officially completed and inaugurated in Rome.
June 24 » Battle of Wilhelmsthal: The British-Hanoverian army of Ferdinand of Brunswick defeats French forces in Westphalia.
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
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 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.
July 10 » American Revolution: Louis XVI of France declares war on the Kingdom of Great Britain.
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 March 9, 2026), "Jan van Dun (-1778)".
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