July 8 » The Battle of Dynekilen forces Sweden to abandon its invasion of Norway.
August 5 » Austro-Turkish War (1716–1718): One-fifth of a Turkish army and the Grand Vizier are killed in the Battle of Petrovaradin.
August 21 » Seventh Ottoman–Venetian War: The arrival of naval reinforcements and the news of the Battle of Petrovaradin force the Ottomans to abandon the Siege of Corfu, thus preserving the Ionian Islands under Venetian rule.
Day of marriage July 23, 1741
The temperature on July 23, 1741 was about 15.0 °C. Wind direction mainly northwest. Weather type: helder. Source: KNMI
January 15 » Superintendent of Finance Robert Morris addresses the U.S. Congress to recommend establishment of a national mint and decimal coinage.
March 8 » Gnadenhutten massacre: Ninety-six Native Americans in Gnadenhutten, Ohio, who had converted to Christianity, are killed by Pennsylvania militiamen in retaliation for raids carried out by other Indian tribes.
March 16 » Anglo-Spanish War (1779): Action of 16 March 1782.
June 20 » The U.S. Congress adopts the Great Seal of the United States.
August 19 » American Revolutionary War: Battle of Blue Licks: The last major engagement of the war, almost ten months after the surrender of the British commander Charles Cornwallis following the Siege of Yorktown.
December 14 » The Montgolfier brothers first test fly an unmanned hot air balloon in France; it floats nearly 2km (1.2mi).
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2463.php : accessed February 26, 2026), "Bastiaan van der Harst (-1782)".
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