January 28 » The Russian Academy of Sciences is founded in St. Petersburg by Peter the Great, and implemented by Senate decree. It is called the St. Petersburg Academy of Sciences until 1917.
April 7 » Premiere performance of Johann Sebastian Bach's St John Passion, BWV245, at St. Nicholas Church, Leipzig.
November 11 » Joseph Blake, alias Blueskin, a highwayman known for attacking "Thief-Taker General" (and thief) Jonathan Wild at the Old Bailey, is hanged in London.
December 7 » Tumult of Thorn: Religious unrest is followed by the execution of nine Protestant citizens and the mayor of Thorn (Toruń) by Polish authorities.
Day of marriage June 22, 1748
The temperature on June 22, 1748 was about 20.0 °C. Wind direction mainly east by south. Weather type: omtrent helder. Source: KNMI
June 11 » Denmark adopts the characteristic Nordic Cross flag later taken up by all other Scandinavian countries.
August 26 » The first Lutheran denomination in North America, the Pennsylvania Ministerium, is founded in Philadelphia.
October 12 » War of Jenkins' Ear: A British squadron wins a tactical victory over a Spanish squadron off Havana.
October 18 » Signing of the Treaty of Aix-la-Chapelle ends the War of the Austrian Succession.
Day of death February 6, 1757
The temperature on February 6, 1757 was about 4.0 °C. There was 4 mm of rainWind direction mainly south. Weather type: geheel betrokken regen. Source: KNMI
January 16 » Forces of the Maratha Empire defeat a 5,000-strong army of the Durrani Empire in the Battle of Narela.
March 14 » Admiral Sir John Byng is executed by firing squad aboard HMSMonarch for breach of the Articles of War.
May 6 » Battle of Prague: A Prussian army fights an Austrian army in Prague during the Seven Years' War.
June 18 » Battle of Kolín between Prussian forces under Frederick the Great and an Austrian army under the command of Field Marshal Count Leopold Joseph von Daun in the Seven Years' War.
November 5 » Seven Years' War: Frederick the Great defeats the allied armies of France and the Holy Roman Empire at the Battle of Rossbach.
December 5 » Seven Years' War: Battle of Leuthen: Frederick II of Prussia leads Prussian forces to a decisive victory over Austrian forces under Prince Charles Alexander of Lorraine.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I511524.php : accessed February 17, 2026), "Catharina Claes (1724-1757)".
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