June 11 » Denmark adopts the characteristic Nordic Cross flag later taken up by all other Scandinavian countries.
August 26 » The first Lutheran denomination in North America, the Pennsylvania Ministerium, is founded in Philadelphia.
October 12 » War of Jenkins' Ear: A British squadron wins a tactical victory over a Spanish squadron off Havana.
October 18 » Signing of the Treaty of Aix-la-Chapelle ends the War of the Austrian Succession.
Day of marriage April 26, 1778
The temperature on April 26, 1778 was about 8.0 °C. There was 22 mm of rainWind direction mainly north by west. Weather type: betrokken regen. Source: KNMI
September 17 » The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
December 29 » American Revolutionary War: Three thousand British soldiers under the command of Lieutenant Colonel Archibald Campbell capture Savannah, Georgia.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I1918.php : accessed January 25, 2026), "Elisabeth Overgoor (1748-????)".
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