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 April 15, 1738
The temperature on April 15, 1738 was about 8.0 °C. Wind direction mainly west-southwest. Weather type: zeer betrokken. Source: KNMI
January 7 » A peace treaty is signed between Peshwa Bajirao and Jai Singh II following Maratha victory in the Battle of Bhopal.
April 15 » Serse, an Italian opera by George Frideric Handel receives its premiere performance in London, England.
April 18 » Real Academia de la Historia ("Royal Academy of History") is founded in Madrid.
May 24 » John Wesley is converted, essentially launching the Methodist movement; the day is celebrated annually by Methodists as Aldersgate Day and a church service is generally held on the preceding Sunday.
May 25 » A treaty between Pennsylvania and Maryland ends the Conojocular War with settlement of a boundary dispute and exchange of prisoners.
July 15 » Baruch Laibov and Alexander Voznitzin are burned alive in St. Petersburg, Russia. Vonitzin had converted to Judaism with Laibov's help, with the consent of Empress Anna Ivanovna.
Day of death October 18, 1791
The temperature on October 18, 1791 was about 13.0 °C. There was 26 mm of rainWind direction mainly southwest. Weather type: betrokken regen. Source: KNMI
January 25 » The British Parliament passes the Constitutional Act of 1791 and splits the old Province of Quebec into Upper Canada and Lower Canada.
March 4 » The Constitutional Act of 1791 is introduced by the British House of Commons in London which envisages the separation of Canada into Lower Canada (Quebec) and Upper Canada (Ontario).
September 14 » The Papal States lose Avignon to Revolutionary France.
September 27 » The National Assembly votes to award full citizenship to Jews in France.
September 30 » France's National Constituent Assembly is dissolved, to be replaced the next day by the National Legislative Assembly
September 30 » The first performance of Mozart's opera The Magic Flute takes place two months before his death.
Day of burial October 21, 1791
The temperature on October 21, 1791 was about 14.0 °C. There was 48 mm of rainWind direction mainly southwest. Weather type: zeer betrokken. Source: KNMI
January 10 » The Siege of Dunlap's Station begins near Cincinnati during the Northwest Indian War.
January 25 » The British Parliament passes the Constitutional Act of 1791 and splits the old Province of Quebec into Upper Canada and Lower Canada.
May 3 » The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
August 14 » Slaves from plantations in Saint-Domingue hold a Vodou ceremony led by houngan Dutty Boukman at Bois Caïman, marking the start of the Haitian Revolution.
August 22 » Beginning of the Haitian Slave Revolution in Saint-Domingue, Haiti.
September 5 » Olympe de Gouges writes the Declaration of the Rights of Woman and of the Female Citizen.
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/I570965.php : accessed January 28, 2026), "Maria Gommers (1716-1791)".
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