August 1 » George, Elector of Hanover, becomes King George I of Great Britain, marking the beginning of the Georgian era of British history.
August 7 » The Battle of Gangut: The first important victory of the Russian Navy.
September 11 » Siege of Barcelona: Barcelona, capital city of Catalonia, surrenders to Spanish and French Bourbon armies in the War of the Spanish Succession.
September 18 » George I arrives in Great Britain after becoming king on August 1.
Day of marriage May 8, 1754
The temperature on May 8, 1754 was about 19.0 °C. Wind direction mainly south by west. Weather type: omtrent helder. Special wheather fenomena: donder. Source: KNMI
January 28 » Sir Horace Walpole coins the word serendipity in a letter to a friend.
May 28 » French and Indian War: In the first engagement of the war, Virginia militia under the 22-year-old Lieutenant colonel George Washington defeat a French reconnaissance party in the Battle of Jumonville Glen in what is now Fayette County in southwestern Pennsylvania.
July 3 » French and Indian War: George Washington surrenders Fort Necessity to French forces.
Day of death June 16, 1783
The temperature on June 16, 1783 was about 17.0 °C. Wind direction mainly south by west. Weather type: zeer betrokken. Source: KNMI
February 7 » American Revolutionary War: French and Spanish forces lift the Great Siege of Gibraltar.
March 15 » In an emotional speech in Newburgh, New York, George Washington asks his officers not to support the Newburgh Conspiracy. The plea is successful and the threatened coup d'état never takes place.
April 18 » Three-Fifths Compromise: the first instance of black slaves in the United States of America being counted as three fifths of persons (for the purpose of taxation), in a resolution of the Congress of the Confederation. This was later adopted in the 1787 Constitution.
June 8 » Laki, a volcano in Iceland, begins an eight-month eruption which kills over 9,000 people and starts a seven-year famine.
November 4 » Wolfgang Amadeus Mozart's Symphony No. 36 is performed for the first time in Linz, Austria.
November 21 » In Paris, Jean-François Pilâtre de Rozier and François Laurent d'Arlandes, make the first untethered hot air balloon flight.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I44836.php : accessed February 18, 2026), "Ayolt (Tonckens) Tonkes (-1783)".
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