March 13 » The Battle of Cartagena de Indias (part of the War of Jenkins' Ear) begins.
March 18 » New York governor George Clarke's complex at Fort George is burned in an arson attack, starting the New York Conspiracy of 1741.
July 15 » Aleksei Chirikov sights land in Southeast Alaska. He sends men ashore in a longboat, making them the first Europeans to visit Alaska.
July 31 » Charles Albert of Bavaria invades Upper Austria and Bohemia.
August 10 » King Marthanda Varma of Travancore defeats the Dutch East India Company at the Battle of Colachel, effectively bringing about the end of the Dutch colonial rule in India.
September 14 » George Frideric Handel completes his oratorio Messiah.
Day of death April 2, 1770
The temperature on April 2, 1770 was about 10.0 °C. There was 22 mm of rainWind direction mainly southwest. Weather type: omtrent helder zeer betrokken. Source: KNMI
April 19 » Marie Antoinette marries Louis XVI of France in a proxy wedding.
June 19 » New Church Day: Emanuel Swedenborg writes: "The Lord sent forth His twelve disciples, who followed Him in the world into the whole spiritual world to preach the Gospel that the Lord God Jesus Christ reign. This took place on the 19th day of June, in the year 1770."
July 5 » The Battle of Chesma between the Russian Empire and the Ottoman Empire begins.
July 7 » The Battle of Larga between the Russian Empire and the Ottoman Empire takes place.
August 21 » James Cook formally claims eastern Australia for Great Britain, naming it New South Wales.
August 22 » James Cook names and lands on Possession Island, and claims the east coast of Australia for Britain as New South Wales.
When copying data from this family tree, please include a reference to the origin: Maurice Thelen, "Family tree Thelen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-thelen/I434.php : accessed January 25, 2026), "Heinrich Mertens (-1770)".
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