April 16 » Franz Friedrich Wilhelm von Fürstenberg founds the University of Münster.
May 13 » The Cumberland Compact is signed by leaders of the settlers in the Cumberland River area of what would become the U.S. state of Tennessee, providing for democratic government and a formal system of justice.
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.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
October 7 » American Revolutionary War: American militia defeat royalist irregulars led by British major Patrick Ferguson in South Carolina.
November 5 » French-American forces under Colonel LaBalme are defeated by Miami Chief Little Turtle.
Christening day April 2, 1780
The temperature on April 2, 1780 was about 2.0 °C. Wind direction mainly east by south. Weather type: zeer betrokken. Source: KNMI
May 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
September 11 » American Revolutionary War: Sugarloaf Massacre: A small detachment of militia from Northampton County are attacked by Native Americans and Loyalists near Little Nescopeck Creek.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
October 16 » The Great Hurricane of 1780 finishes after its sixth day, killing between 20,000 and 24,000 residents of the Lesser Antilles.
November 5 » French-American forces under Colonel LaBalme are defeated by Miami Chief Little Turtle.
Day of death March 16, 1781
The temperature on March 16, 1781 was about 5.0 °C. Wind direction mainly northeast. Weather type: omtrent helder. Special wheather fenomena: noorderlicht. Source: KNMI
February 3 » American Revolutionary War: British forces seize the Dutch-owned Caribbean island Sint Eustatius.
August 24 » American Revolutionary War: A small force of Pennsylvania militia is ambushed and overwhelmed by an American Indian group, which forces George Rogers Clark to abandon his attempt to attack Detroit.
September 4 » Los Angeles is founded as El Pueblo de Nuestra Señora La Reina de los Ángeles (The Village of Our Lady, the Queen of the Angels) by 44 Spanish settlers.
September 6 » The Battle of Groton Heights takes place, resulting in a British victory.
October 17 » American Revolutionary War: British General Charles, Earl Cornwallis surrenders at the Siege of Yorktown.
November 29 » The crew of the British slave ship Zong murders 133 Africans by dumping them into the sea to claim insurance.
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/I2105.php : accessed December 26, 2025), "Abraham Koomen (1780-1781)".
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