June 13 » Rhode Island becomes the first of Britain's North American colonies to ban the importation of slaves.
July 21 » Russo-Turkish War (1768–74): Russia and the Ottoman Empire sign the Treaty of Küçük Kaynarca ending the war.
August 1 » British scientist Joseph Priestley discovers oxygen gas, corroborating the prior discovery of this element by German-Swedish chemist Carl Wilhelm Scheele.
September 1 » Massachusetts Bay colonists rise up in the bloodless Powder Alarm.
October 21 » The flag of Taunton, Massachusetts is the first to include the word "Liberty".
October 26 » The first Continental Congress adjourns in Philadelphia.
When copying data from this family tree, please include a reference to the origin: Hans Niemeyer, "Family tree Niemeijer & Wallis", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-niemeijer-doewes-berends-en-siertsema/I7121.php : accessed June 1, 2024), "Albert Koops (????-1774)".
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