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).
March 9 » The U.S. Supreme Court rules in the United States v. The Amistad case that captive Africans who had seized control of the ship carrying them had been taken into slavery illegally.
April 4 » William Henry Harrison dies of pneumonia, becoming the first President of the United States to die in office, and setting the record for the briefest administration. Vice President John Tyler succeeds Harrison as President.
April 6 » U.S. President John Tyler is sworn in, two days after having become President upon William Henry Harrison's death.
June 28 » The Paris Opera Ballet premieres Giselle in the Salle Le Peletier.
July 18 » Coronation of Emperor Pedro II of Brazil.
September 24 » The Sultanate of Brunei cedes Sarawak to the United Kingdom.
Day of marriage September 25, 1867
The temperature on September 25, 1867 was about 13.4 °C. The air pressure was 6 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 53%. 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).
February 13 » Work begins on the covering of the Senne, burying Brussels's primary river and creating the modern central boulevards.
February 28 » Seventy years of Holy See–United States relations are ended by a Congressional ban on federal funding of diplomatic envoys to the Vatican and are not restored until January 10, 1984.
March 2 » The U.S. Congress passes the first Reconstruction Act.
July 17 » Harvard School of Dental Medicine is established in Boston, Massachusetts. It is the first dental school in the U.S. that is affiliated with a university.
August 28 » The United States takes possession of the (at this point unoccupied) Midway Atoll.
November 9 » Tokugawa shogunate hands power back to the Emperor of Japan, starting the Meiji Restoration.
Day of death March 5, 1926
The temperature on March 5, 1926 was between 0.8 °C and 7.9 °C and averaged 3.4 °C. There was 1.4 mm of rain. There was 7.1 hours of sunshine (64%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I4191.php : accessed December 25, 2025), "WILLEM ARNOLD FREDRIK KOOPMAN (1841-1926)".
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