April 19 » Marie Antoinette marries Louis XVI of France in a proxy wedding.
May 16 » The 14-year-old Marie Antoinette marries 15-year-old Louis-Auguste, who later becomes king of France.
June 11 » British explorer Captain James Cook runs aground on the Great Barrier Reef.
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 1 » Lexell's Comet is seen closer to the Earth than any other comet in recorded history, approaching to a distance of 0.0146 astronomical units (2,180,000km; 1,360,000mi).
July 5 » The Battle of Chesma between the Russian Empire and the Ottoman Empire begins.
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-????)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.