January 26 » For the first time, the Ottoman Empire permanently cedes territory to the Christian powers.
February 16 » First Leopoldine Diploma is issued by the Holy Roman Emperor, recognizing the Greek Catholic clergy enjoyed the same privileges as Roman Catholic priests in the Principality of Transylvania.
March 30 » Guru Gobind Singh establishes the Khalsa in Anandpur Sahib, Punjab.
April 14 » Khalsa: The Sikh religion was formalised as the Khalsa - the brotherhood of Warrior-Saints - by Guru Gobind Singh in northern India, in accordance with the Nanakshahi calendar.
Day of death January 21, 1780
The temperature on January 21, 1780 was about 1.0 °C. There was 22 mm of rainWind direction mainly north-northeast. Weather type: betrokken sneeuw. 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.
June 23 » American Revolution: Battle of Springfield fought in and around Springfield, New Jersey (including Short Hills, formerly of Springfield, now of Millburn Township).
September 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
October 7 » American Revolutionary War: American militia defeat royalist irregulars led by British major Patrick Ferguson in South Carolina.
October 10 » The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
November 5 » French-American forces under Colonel LaBalme are defeated by Miami Chief Little Turtle.
When copying data from this family tree, please include a reference to the origin: Peter Kaagman, "Kaagman Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kaagman-family-tree/P952.php : accessed May 11, 2025), "Johannes Peters (1699-1780)".
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