January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
May 25 » After a delay of 11 days, the United States Constitutional Convention formally convenes in Philadelphia after a quorum of seven states is secured.
July 13 » The Continental Congress enacts the Northwest Ordinance establishing governing rules for the Northwest Territory. It also establishes procedures for the admission of new states and limits the expansion of slavery.
September 28 » The Congress of the Confederation votes to send the newly-written United States Constitution to the state legislatures for approval.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
December 7 » Delaware becomes the first state to ratify the United States Constitution.
Day of marriage April 21, 1805
The temperature on April 21, 1805 was about 7.0 °C. Wind direction mainly southwest. Weather type: betrokken mist. 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).
April 7 » Lewis and Clark Expedition: The Corps of Discovery breaks camp among the Mandan tribe and resumes its journey West along the Missouri River.
April 27 » First Barbary War: United States Marines and Berbers attack the Tripolitan city of Derna (The "shores of Tripoli" part of the Marines' Hymn).
June 30 » Under An act to divide the Indiana Territory into two separate governments, adopted by the U.S. Congress on January 11, 1805, the Michigan Territory is organized.
July 22 » Napoleonic Wars: War of the Third Coalition: Battle of Cape Finisterre: An inconclusive naval action is fought between a combined French and Spanish fleet under Admiral Pierre-Charles Villeneuve of Spain and a British fleet under Admiral Robert Calder.
November 20 » Beethoven's only opera, Fidelio, premieres in Vienna.
November 26 » Official opening of Thomas Telford's Pontcysyllte Aqueduct.
Day of death December 3, 1868
The temperature on December 3, 1868 was about 8.7 °C. There was 1 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 97%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
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/I22940.php : accessed September 30, 2026), "Rudmer Sierks van der Veen (1787-1868)".
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