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.
June 6 » In the Seven Years' War, British forces begin the Siege of Havana and temporarily capture the city.
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 15 » Seven Years' War: Battle of Signal Hill.
Day of marriage January 30, 1787
The temperature on January 30, 1787 was about 3.0 °C. There was 26 mm of rainWind direction mainly south-southwest. Weather type: betrokken mist. Source: KNMI
May 25 » After a delay of 11 days, the United States Constitutional Convention formally convenes in Philadelphia after a quorum of seven states is secured.
June 20 » Oliver Ellsworth moves at the Federal Convention to call the government the 'United States'.
July 13 » The Continental Congress enacts the Northwest Ordinance establishing governing rules for the Northwest Territory. It also establishes procedures for the admission of new states and limits the expansion of slavery.
August 6 » Sixty proof sheets of the Constitution of the United States are delivered to the Constitutional Convention in Philadelphia, Pennsylvania.
October 1 » Russians under Alexander Suvorov defeat the Turks at Kinburn.
December 7 » Delaware becomes the first state to ratify the United States Constitution.
Day of burial January 6, 1791
The temperature on January 6, 1791 was about 3.0 °C. Wind direction mainly south. Weather type: zeer betrokken. Source: KNMI
January 10 » The Siege of Dunlap's Station begins near Cincinnati during the Northwest Indian War.
February 18 » Congress passes a law admitting the state of Vermont to the Union, effective 4 March, after that state had existed for 14 years as a de facto independent largely unrecognized state.
March 4 » The Constitutional Act of 1791 is introduced by the British House of Commons in London which envisages the separation of Canada into Lower Canada (Quebec) and Upper Canada (Ontario).
June 21 » King Louis XVI of France and his immediate family begin the Flight to Varennes during the French Revolution.
August 14 » Slaves from plantations in Saint-Domingue hold a Vodou ceremony led by houngan Dutty Boukman at Bois Caïman, marking the start of the Haitian Revolution.
August 21 » A Vodou ceremony, led by Dutty Boukman, turns into a violent slave rebellion, beginning the Haitian Revolution.
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/I436996.php : accessed March 9, 2026), "Anna Cornelia van Dun (-1791)".
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