May 3 » The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
June 21 » King Louis XVI of France and his immediate family begin the Flight to Varennes during the French Revolution.
July 17 » Members of the French National Guard under the command of General Lafayette open fire on a crowd of radical Jacobins at the Champ de Mars, Paris, during the French Revolution, killing scores of people.
September 30 » France's National Constituent Assembly is dissolved, to be replaced the next day by the National Legislative Assembly
November 9 » Foundation of the Dublin Society of United Irishmen.
December 4 » The first edition of The Observer, the world's first Sunday newspaper, is published.
Christening day May 15, 1791
The temperature on May 15, 1791 was about 14.0 °C. Wind direction mainly southwest. Weather type: zeer betrokken. Source: KNMI
February 18 » Congress passes a law admitting the state of Vermont to the Union, effective 4 March, after that state had existed for 14 years as a de facto independent largely unrecognized state.
March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
July 14 » The Priestley Riots drive Joseph Priestley, a supporter of the French Revolution, out of Birmingham, England.
August 26 » John Fitch is granted a United States patent for the steamboat.
October 1 » First session of the French Legislative Assembly.
December 15 » The United States Bill of Rights becomes law when ratified by the Virginia General Assembly.
Day of marriage December 20, 1819
The temperature on December 20, 1819 was about 4.0 °C. Wind direction mainly south east. Weather type: zwaar mist betrokken regen. 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).
February 19 » British explorer William Smith discovers the South Shetland Islands and claims them in the name of King George III.
May 25 » The Argentine Constitution of 1819 is promulgated.
June 16 » A major earthquake strikes the Kutch district of western India, killing over 1,543 people and raising a 6m high, 6km wide, ridge, extending for at least 80km, that was known as the Allah Bund ("Dam of God").
June 20 » The U.S. vessel SSSavannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.
December 14 » Alabama becomes the 22nd U.S. state.
December 17 » Simón Bolívar declares the independence of Gran Colombia in Angostura (now Ciudad Bolívar in Venezuela).
Day of death November 18, 1864
The temperature on November 18, 1864 was about 9.3 °C. There was 4 mm of rain. The air pressure was 6.5 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 90%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
May 12 » American Civil War: The Battle of Spotsylvania Court House: Union troops assault a Confederate salient known as the "Mule Shoe", with the fiercest fighting of the war, much of it hand-to-hand combat, occurring at "the Bloody Angle" on the northwest.
May 29 » Emperor Maximilian I of Mexico arrives in Mexico for the first time.
June 15 » American Civil War: The Second Battle of Petersburg begins.
June 15 » Arlington National Cemetery is established when 200 acres (0.81km) of the Arlington estate (formerly owned by Confederate General Robert E. Lee) are officially set aside as a military cemetery by U.S. Secretary of War Edwin M. Stanton.
September 29 » American Civil War: The Battle of Chaffin's Farm is fought.
November 29 » American Civil War: Battle of Spring Hill: The Confederate Army of Tennessee misses an opportunity to crush the Army of the Ohio.
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/I164181.php : accessed February 9, 2026), "Pieterke Kornelis Datema (1791-1864)".
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