January 16 » American Revolutionary War: Battle of Cape St. Vincent.
March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
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 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
Day of burial March 31, 1781
The temperature on March 31, 1781 was about 0.0 °C. Wind direction mainly east-northeast. Weather type: omtrent helder. Source: KNMI
January 5 » American Revolutionary War: Richmond, Virginia, is burned by British naval forces led by Benedict Arnold.
January 17 » American Revolutionary War: Battle of Cowpens: Continental troops under Brigadier General Daniel Morgan defeat British forces under Lieutenant Colonel Banastre Tarleton at the battle in South Carolina.
April 29 » American Revolutionary War: British and French ships clash in the Battle of Fort Royal off the coast of Martinique.
September 8 » American Revolutionary War: The Battle of Eutaw Springs in South Carolina, the war's last significant battle in the Southern theater, ends in a narrow British tactical victory.
October 20 » The Patent of Toleration, providing limited freedom of worship, is approved in Austria.
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: Cees van der Pol, "Family tree Van der Pol", database, Genealogy Online (https://www.genealogieonline.nl/van-der-pol-stamboom/I4698.php : accessed February 19, 2026), "Jan Willem Daniel "Jan" Grootveldt (1780-1781)".
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