January 24 » During the Seven Years' War the leading burghers of Königsberg submit to Elizabeth of Russia, thus forming Russian Prussia (until 1763).
May 21 » Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
September 11 » Battle of Saint Cast: France repels British invasion during the Seven Years' War.
October 14 » Seven Years' War: Frederick the Great suffers a rare defeat at the Battle of Hochkirch.
November 25 » French and Indian War: British forces capture Fort Duquesne from French control. Later, Fort Pitt will be built nearby and grow into modern Pittsburgh.
December 25 » Halley's Comet is sighted by Johann Georg Palitzsch, confirming Edmund Halley's prediction of its passage. This was the first passage of a comet predicted ahead of time.
Day of death October 9, 1784
The temperature on October 9, 1784 was about 9.0 °C. Wind direction mainly east-northeast. Weather type: omtrent helder. Source: KNMI
January 14 » American Revolutionary War: Ratification Day, United States - Congress ratifies the Treaty of Paris with Great Britain.
March 22 » The Emerald Buddha is moved with great ceremony to its current location in Wat Phra Kaew, Thailand.
April 9 » The Treaty of Paris, ratified by the United States Congress on January 14, 1784, is ratified by King George III of the Kingdom of Great Britain, ending the American Revolutionary War. Copies of the ratified documents are exchanged on May 12, 1784.
June 4 » Élisabeth Thible becomes the first woman to fly in an untethered hot air balloon. Her flight covers four kilometres in 45 minutes, and reached 1,500 metres altitude (estimated).
August 23 » Western North Carolina (now eastern Tennessee) declares itself an independent state under the name of Franklin; it is not accepted into the United States, and only lasts for four years.
October 22 » Russia founds a colony on Kodiak Island, Alaska.
When copying data from this family tree, please include a reference to the origin: Simon Kooiman, "Family tree Kooiman - Bruijn - Mantel - de Boer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kooiman-bruijn-mantel/I40693.php : accessed June 20, 2024), "Hendrik Gerritsz Groes (1730-1784)".
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