January 21 » Abdul Hamid I becomes Sultan of the Ottoman Empire and Caliph of Islam.
June 2 » Intolerable Acts: The Quartering Act is enacted, allowing a governor in colonial America to house British soldiers in uninhabited houses, outhouses, barns, or other buildings if suitable quarters are not provided.
June 22 » The British pass the Quebec Act, setting out rules of governance for the colony of Quebec in British North America.
August 1 » British scientist Joseph Priestley discovers oxygen gas, corroborating the prior discovery of this element by German-Swedish chemist Carl Wilhelm Scheele.
September 4 » New Caledonia is first sighted by Europeans, during the second voyage of Captain James Cook.
October 21 » The flag of Taunton, Massachusetts is the first to include the word "Liberty".
Day of death April 21, 1775
The temperature on April 21, 1775 was about 7.0 °C. Wind direction mainly south east. Weather type: helder. Special wheather fenomena: ijs. Source: KNMI
April 18 » American Revolution: The British advancement by sea begins; Paul Revere and other riders warn the countryside of the troop movements.
May 20 » The Mecklenburg Declaration of Independence is allegedly signed in Charlotte, North Carolina.
August 23 » American Revolutionary War: King George III delivers his Proclamation of Rebellion to the Court of St James's stating that the American colonies have proceeded to a state of open and avowed rebellion.
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.
November 10 » The United States Marine Corps is founded at Tun Tavern in Philadelphia by Samuel Nicholas.
November 13 » American Revolutionary War: Patriot revolutionary forces under Gen. Richard Montgomery occupy Montreal.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I45489.php : accessed January 18, 2026), "Adrianus de Graaf (1774-1775)".
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