May 12 » Maria Theresa of Austria is crowned Queen of Bohemia after defeating her rival, Charles VII, Holy Roman Emperor.
May 19 » Jean-Pierre Christin developed the centigrade temperature scale.
June 27 » In the Battle of Dettingen, George II becomes the last reigning British monarch to participate in a battle.
September 13 » Great Britain, Austria and the Kingdom of Sardinia sign the Treaty of Worms.
Day of death October 4, 1780
The temperature on October 4, 1780 was about 11.0 °C. There was 4 mm of rainWind direction mainly southwest. Weather type: zeer betrokken. Source: KNMI
March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
May 19 » New England's Dark Day, an unusual darkening of the day sky, was observed over the New England states and parts of Canada.
June 23 » American Revolution: Battle of Springfield fought in and around Springfield, New Jersey (including Short Hills, formerly of Springfield, now of Millburn Township).
August 22 » James Cook's ship HMSResolution returns to England (Cook having been killed on Hawaii during the voyage).
October 7 » American Revolutionary War: American militia defeat royalist irregulars led by British major Patrick Ferguson in South Carolina.
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
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The Family tree Van Dijk publication was prepared by wijlen Jan van Dijk (contact is not possible).
When copying data from this family tree, please include a reference to the origin: wijlen Jan van Dijk, "Family tree Van Dijk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-dijk/I8693.php : accessed March 16, 2026), "Janna Gerrits van Unen (1743-1780)".
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