January 30 » The Forty-seven rōnin, under the command of Ōishi Kuranosuke, avenge the death of their master, by killing Kira Yoshinaka.
February 4 » In Edo (now Tokyo), all but one of the Forty-seven Ronin commit seppuku (ritual suicide) as recompense for avenging their master's death.
May 27 » Tsar Peter the Great founds the city of Saint Petersburg.
July 26 » During the Bavarian Rummel the rural population of Tyrol drove the Bavarian Prince-Elector Maximilian II Emanuel out of North Tyrol with a victory at the Pontlatzer Bridge and thus prevented the Bavarian Army, which was allied with France, from marching as planned on Vienna during the War of the Spanish Succession.
August 23 » Edirne event: Sultan Mustafa II of the Ottoman Empire is dethroned.
December 27 » Portugal and England sign the Methuen Treaty which gives preference to Portuguese imported wines into England.
Day of burial August 18, 1781
The temperature on August 18, 1781 was about 16.0 °C. Wind direction mainly southwest. Weather type: betrokken omtrent helder. Source: KNMI
June 3 » Jack Jouett begins his midnight ride to warn Thomas Jefferson and the Virginia legislature of an impending raid by Banastre Tarleton.
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 5 » Battle of the Chesapeake in the American Revolutionary War: The British Navy is repelled by the French Navy, contributing to the British surrender at Yorktown.
September 6 » The Battle of Groton Heights takes place, resulting in a British victory.
September 28 » American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I7128.php : accessed December 25, 2025), "Derkjen Hendriks de Graaf (1703-1781)".
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