The temperature on September 22, 1793 was about 5.0 °C. There was 70 mm of rainWind direction mainly northeast. Weather type: betrokken regen. Source: KNMI
May 23 » Battle of Famars during the Flanders Campaign of the War of the First Coalition.
June 2 » French Revolution: François Hanriot, leader of the Parisian National Guard, arrests 22 Girondists selected by Jean-Paul Marat, setting the stage for the Reign of Terror.
July 13 » Journalist and French revolutionary Jean-Paul Marat is assassinated in his bathtub by Charlotte Corday, a member of the opposing political faction.
August 27 » French Revolutionary Wars: The city of Toulon revolts against the French Republic and admits the British and Spanish fleets to seize its port, leading to the Siege of Toulon by French Revolutionary forces.
September 8 » French Revolutionary Wars: Battle of Hondschoote.
Day of death July 15, 1818
The temperature on July 15, 1818 was about 15.0 °C. Wind direction mainly west-northwest. Weather type: half bewolkt omtrent helder. Source: KNMI
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De Republiek der Verenigde Nederlanden werd in 1794-1795 door de Fransen veroverd onder leiding van bevelhebber Charles Pichegru (geholpen door de Nederlander Herman Willem Daendels); de verovering werd vergemakkelijkt door het dichtvriezen van de Waterlinie; Willem V moest op 18 januari 1795 uitwijken naar Engeland (en van daaruit in 1801 naar Duitsland); de patriotten namen de macht over van de aristocratische regenten en proclameerden de Bataafsche Republiek; op 16 mei 1795 werd het Haags Verdrag gesloten, waarmee ons land een vazalstaat werd van Frankrijk; in 3.1796 kwam er een Nationale Vergadering; in 1798 pleegde Daendels een staatsgreep, die de unitarissen aan de macht bracht; er kwam een nieuwe grondwet, die een Vertegenwoordigend Lichaam (met een Eerste en Tweede Kamer) instelde en als regering een Directoire; in 1799 sloeg Daendels bij Castricum een Brits-Russische invasie af; in 1801 kwam er een nieuwe grondwet; bij de Vrede van Amiens (1802) kreeg ons land van Engeland zijn koloniën terug (behalve Ceylon); na de grondwetswijziging van 1805 kwam er een raadpensionaris als eenhoofdig gezag, namelijk Rutger Jan Schimmelpenninck (van 31 oktober 1761 tot 25 maart 1825).
January 2 » The British Institution of Civil Engineers is founded by a group of six engineers; Thomas Telford would later become its first president.
March 30 » Physicist Augustin Fresnel reads a memoir on optical rotation to the French Academy of Sciences, reporting that when polarized light is "depolarized" by a Fresnel rhomb, its properties are preserved in any subsequent passage through an optically-rotating crystal or liquid.
July 29 » French physicist Augustin Fresnel submits his prizewinning "Memoir on the Diffraction of Light", precisely accounting for the limited extent to which light spreads into shadows, and thereby demolishing the oldest objection to the wave theory of light.
September 7 » Carl III of Sweden–Norway is crowned king of Norway, in Trondheim.
December 3 » Illinois becomes the 21st U.S. state.
December 13 » Cyril VI of Constantinople resigns from his position as Ecumenical Patriarch.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I71998.php : accessed February 9, 2026), "Wopke Sietzes Sietsema (± 1745-1818)".
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