May 18 » The Seven Years' War begins when Great Britain declares war on France.
June 20 » A British garrison is imprisoned in the Black Hole of Calcutta.
July 30 » In Saint Petersburg, Bartolomeo Rastrelli presents the newly built Catherine Palace to Empress Elizabeth and her courtiers.
August 29 » Frederick the Great attacks Saxony, beginning the Seven Years' War in Europe.
September 8 » French and Indian War: Kittanning Expedition.
Day of marriage May 10, 1775
The temperature on May 10, 1775 was about 12.0 °C. Wind direction mainly west-northwest. Weather type: zeer betrokken. Special wheather fenomena: wat dauw. Source: KNMI
March 23 » American Revolutionary War: Patrick Henry delivers his speech – "Give me liberty, or give me death!" – at St. John's Episcopal Church, Richmond, Virginia.
April 19 » American Revolutionary War: The war begins with an American victory in Concord during the battles of Lexington and Concord.
July 26 » The office that would later become the United States Post Office Department is established by the Second Continental Congress. Benjamin Franklin of Pennsylvania takes office as Postmaster General.
September 11 » Benedict Arnold's expedition to Quebec leaves Cambridge, Massachusetts.
September 25 » American Revolution: Benedict Arnold's expedition to Quebec sets off.
November 7 » John Murray, the Royal Governor of the Colony of Virginia, starts the first mass emancipation of slaves in North America by issuing Lord Dunmore's Offer of Emancipation, which offers freedom to slaves who abandoned their colonial masters to fight with Murray and the British.
When copying data from this family tree, please include a reference to the origin: Christophe, "Arbre Chatelain", database, Genealogy Online (https://www.genealogieonline.nl/arbre-chatelain/I5489.php : accessed October 10, 2026), "Catherine COSSIN (1756-????)".
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