May 7 » The city of New Orleans is founded by Jean-Baptiste Le Moyne, Sieur de Bienville.
May 15 » James Puckle, a London lawyer, patents the world's first machine gun.
July 21 » The Treaty of Passarowitz between the Ottoman Empire, Austria and the Republic of Venice is signed.
November 22 » Off the coast of North Carolina, British pirate Edward Teach (best known as "Blackbeard") is killed in battle with a boarding party led by Royal Navy Lieutenant Robert Maynard.
November 30 » King Charles XII of Sweden dies during a siege of the fortress of Fredriksten in Norway.
December 17 » War of the Quadruple Alliance: Great Britain declares war on Spain.
Day of marriage October 27, 1749
The temperature on October 27, 1749 was about 7.0 °C. Wind direction mainly southwest. Weather type: geheel betrokken zeer betrokken. Source: KNMI
January 3 » Benning Wentworth issues the first of the New Hampshire Grants, leading to the establishment of Vermont.
January 3 » The first issue of Berlingske, Denmark's oldest continually operating newspaper, is published.
January 21 » The Teatro Filarmonico in Verona is destroyed by fire, as a result of a torch being left behind in the box of a nobleman after a performance. It is rebuilt in 1754.
May 19 » King George II of Great Britain grants the Ohio Company a charter of land around the forks of the Ohio River.
June 21 » Halifax, Nova Scotia, is founded.
Day of death January 22, 1779
The temperature on January 22, 1779 was about 0.0 °C. Wind direction mainly south-southwest. Weather type: omtrent helder. Source: KNMI
February 14 » James Cook is killed by Native Hawaiians near Kealakekua on the Island of Hawaii.
May 13 » War of the Bavarian Succession: Russian and French mediators at the Congress of Teschen negotiate an end to the war. In the agreement Austria receives the part of its territory that was taken from it (the Innviertel).
June 16 » Spain declares war on the Kingdom of Great Britain, and the Great Siege of Gibraltar begins.
June 24 » American Revolutionary War: The Great Siege of Gibraltar begins.
July 16 » American Revolutionary War: Light infantry of the Continental Army seize a fortified British Army position in a midnight bayonet attack at the Battle of Stony Point.
September 28 » American Revolution: Samuel Huntington is elected President of the Continental Congress, succeeding John Jay.
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The Family tree De Keyser publication was prepared by Guido de Keyser (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Guido de Keyser, "Family tree De Keyser", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-keyser/I166.php : accessed January 30, 2026), "(Petrus Joannis) Hapers Petrus Joannis (1718-1779)".
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