March 8 » The Safavid Empire of Iran is defeated by an army from Afghanistan at the Battle of Gulnabad, pushing Iran into anarchy.
April 5 » The Dutch explorer Jacob Roggeveen discovers Easter Island.
July 25 » Dummer's War begins along the Maine-Massachusetts border.
Day of marriage July 7, 1758
The temperature on July 7, 1758 was about 14.0 °C. There was 44 mm of rainWind direction mainly west-northwest. Weather type: zeer betrokken regen. Source: KNMI
January 24 » During the Seven Years' War the leading burghers of Königsberg submit to Elizabeth of Russia, thus forming Russian Prussia (until 1763).
February 4 » The city of Macapá in Brazil is founded by Sebastião Veiga Cabral.
May 21 » Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
June 12 » French and Indian War: Siege of Louisbourg: James Wolfe's attack at Louisbourg, Nova Scotia, commences.
June 23 » Seven Years' War: Battle of Krefeld: British, Hanoverian, and Prussian forces defeat French troops at Krefeld in Germany.
August 29 » The Treaty of Easton establishes the first American Indian reservation, at Indian Mills, New Jersey, for the Lenape.
Day of death June 30, 1760
The temperature on June 30, 1760 was about 20.0 °C. Wind direction mainly south-southwest. Weather type: zeer betrokken. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I41359.php : accessed February 14, 2026), "Marijgje Woutersdr de Graeff (-1760)".
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