April 29 » James Cook arrives in Australia at Botany Bay, which he names.
June 11 » British explorer Captain James Cook runs aground on the Great Barrier Reef.
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.
Day of marriage September 11, 1785
The temperature on September 11, 1785 was about 17.0 °C. There was 88 mm of rainWind direction mainly southwest. Weather type: betrokken regen. Source: KNMI
January 7 » Frenchman Jean-Pierre Blanchard and American John Jeffries travel from Dover, England, to Calais, France, in a gas balloon.
January 20 » Invading Siamese forces attempt to exploit the political chaos in Vietnam, but are ambushed and annihilated at the Mekong river by the Tây Sơn in the Battle of Rạch Gầm-Xoài Mút.
January 27 » The University of Georgia is founded, the first public university in the United States.
November 28 » The first Treaty of Hopewell is signed, by which the United States acknowledges Cherokee lands in what is now East Tennessee.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I10645.php : accessed January 18, 2026), "Johanna Helena van der Merwe (1770-????)".
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