The temperature on May 21, 1752 was about 12.0 °C. There was 2 mm of rainWind direction mainly northeast. Weather type: regen omtrent helder. Source: KNMI
February 29 » King Alaungpaya founds Konbaung Dynasty, the last dynasty of Burmese monarchy.
April 20 » Start of Konbaung–Hanthawaddy War, a new phase in the Burmese Civil War (1740–57).
June 15 » Benjamin Franklin proves that lightning is electricity (traditional date, the exact date is unknown).
September 2 » Great Britain, along with its overseas possessions, adopts the Gregorian calendar.
September 14 » The British Empire adopts the Gregorian calendar, skipping eleven days (the previous day was September 2).
Day of marriage April 20, 1781
The temperature on April 20, 1781 was about 14.0 °C. There was 4 mm of rainWind direction mainly south-southwest. Weather type: regen geheel betrokken. Source: KNMI
January 1 » American Revolutionary War: One thousand five hundred soldiers of the 6th Pennsylvania Regiment under General Anthony Wayne's command rebel against the Continental Army's winter camp in Morristown, New Jersey in the Pennsylvania Line Mutiny of 1781.
January 6 » In the Battle of Jersey, the British defeat the last attempt by France to invade Jersey in the Channel Islands.
March 13 » William Herschel discovers Uranus.
March 15 » American Revolutionary War: Battle of Guilford Court House: Near present-day Greensboro, North Carolina, 1,900 British troops under General Charles Cornwallis defeat a mixed American force numbering 4,400 in a Pyrrhic victory.
September 6 » The Battle of Groton Heights takes place, resulting in a British victory.
October 19 » American Revolutionary War: The siege of Yorktown comes to an end.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I9899.php : accessed September 27, 2026), "Jan Adriaansz de Boer (1752-????)".
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