January 8 » The premiere of George Frideric Handel's Ariodante takes place at the Royal Opera House, Covent Garden.
March 10 » An agreement between Nader Shah and Russia is signed near Ganja, Azerbaijan and Russian troops are withdrawn from occupied territories.
July 11 » Mathematical calculations suggest that it is on this day that dwarf planet Pluto moved inside the orbit of Neptune for the last time before 1979.
August 5 » Freedom of the press: New York Weekly Journal writer John Peter Zenger is acquitted of seditious libel against the royal governor of New York, on the basis that what he had published was true.
Day of marriage August 20, 1758
The temperature on August 20, 1758 was about 18.0 °C. Wind direction mainly west-southwest. Weather type: omtrent helder. Source: KNMI
June 23 » Seven Years' War: Battle of Krefeld: British, Hanoverian, and Prussian forces defeat French troops at Krefeld in Germany.
July 26 » French and Indian War: The Siege of Louisbourg ends with British forces defeating the French and taking control of the Gulf of Saint Lawrence.
August 25 » Seven Years' War: Frederick II of Prussia defeats the Russian army at the Battle of Zorndorf.
September 11 » Battle of Saint Cast: France repels British invasion during the Seven Years' War.
October 14 » Seven Years' War: Frederick the Great suffers a rare defeat at the Battle of Hochkirch.
December 25 » Halley's Comet is sighted by Johann Georg Palitzsch, confirming Edmund Halley's prediction of its passage. This was the first passage of a comet predicted ahead of time.
Day of death November 19, 1787
The temperature on November 19, 1787 was about 4.0 °C. Source: KNMI
May 25 » After a delay of 11 days, the United States Constitutional Convention formally convenes in Philadelphia after a quorum of seven states is secured.
June 20 » Oliver Ellsworth moves at the Federal Convention to call the government the 'United States'.
September 17 » The United States Constitution is signed in Philadelphia.
September 28 » The Congress of the Confederation votes to send the newly-written United States Constitution to the state legislatures for approval.
October 1 » Russians under Alexander Suvorov defeat the Turks at Kinburn.
December 7 » Delaware becomes the first state to ratify the United States Constitution.
When copying data from this family tree, please include a reference to the origin: JM Krab, "Genealogy Krab-van Laar", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-krab-van-laar/I2086.php : accessed August 10, 2025), "Cornelis Sijmens van Opzeeland (1735-1787)".
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