January 26 » The 8.7–9.2 Mw Cascadia earthquake takes place off the west coast of North America, as evidenced by Japanese records.
February 27 » The island of New Britain is discovered by Europeans.
February 28 » Today is followed by March 1 in Sweden, thus creating the Swedish calendar.
March 1 » Sweden introduces its own Swedish calendar, in an attempt to gradually merge into the Gregorian calendar, reverts to the Julian calendar on this date in 1712, and introduces the Gregorian calendar on this date in 1753.
Day of burial September 30, 1781
The temperature on September 30, 1781 was about 15.0 °C. There was 44 mm of rainWind direction mainly west-southwest. Weather type: betrokken regen. Source: KNMI
February 18 » Fourth Anglo-Dutch War: Captain Thomas Shirley opens his expedition against Dutch colonial outposts on the Gold Coast of Africa (present-day Ghana).
March 1 » The Articles of Confederation goes into effect in the United States.
June 3 » Jack Jouett begins his midnight ride to warn Thomas Jefferson and the Virginia legislature of an impending raid by Banastre Tarleton.
September 28 » American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
October 17 » American Revolutionary War: British General Charles, Earl Cornwallis surrenders at the Siege of Yorktown.
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: Wim Willard een Larinees, "Family tree Oomen", database, Genealogy Online (https://www.genealogieonline.nl/oomen-stamboom/I2840.php : accessed February 14, 2026), "Marijtje Pietersdr de Burger (1700-1781)".
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