January 25 » The London Corresponding Society is founded.
March 16 » King Gustav III of Sweden is shot; he dies on March 29.
April 25 » Highwayman Nicolas J. Pelletier becomes the first person executed by guillotine.
May 21 » A lava dome collapses on Mount Unzen, near the city of Shimbara on the Japanese island of Kyūshū, creating a deadly tsunami that kills nearly 15,000 people.
August 16 » Maximilien de Robespierre presents the petition of the Commune of Paris to the Legislative Assembly, which demanded the formation of a revolutionary tribunal.
December 11 » French Revolution: King Louis XVI of France is put on trial for treason by the National Convention.
Day of marriage September 12, 1809
The temperature on September 12, 1809 was about 15.0 °C. There was 48 mm of rainWind direction mainly northwest. Weather type: 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 27 » Action of 27 February 1809: Captain Bernard Dubourdieu captures HMS Proserpine.
March 13 » Gustav IV Adolf of Sweden is deposed in the Coup of 1809.
March 29 » King Gustav IV Adolf of Sweden abdicates after a coup d'état. At the Diet of Porvoo, Finland's four Estates pledge allegiance to Alexander I of Russia, commencing the secession of the Grand Duchy of Finland from Sweden.
April 11 » An incomplete British victory over the French fleet at the Battle of the Basque Roads results in the court-martial of James, Lord Gambier.
May 5 » The Swiss canton of Aargau allows citizenship to Jews.
May 22 » On the second and last day of the Battle of Aspern-Essling (near Vienna, Austria), Napoleon I is repelled by an enemy army for the first time.
Day of death May 25, 1881
The temperature on May 25, 1881 was about 17.6 °C. The air pressure was 3 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
June 13 » The USS Jeannette is crushed in an Arctic Ocean ice pack.
July 1 » General Order 70, the culmination of the Cardwell and Childers reforms of the British Army, comes into effect.
July 1 » The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States.
July 4 » In Alabama, the Tuskegee Institute opens.
November 7 » Mapuche rebels attack the Chilean settlement of Nueva Imperial, as defenders fled to the hills and the settlement was effectively destroyed.
November 9 » Mapuche rebels attack the fortified Chilean settlement of Temuco.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P8057.php : accessed January 4, 2026), "Helen Schermerhorn (1792-1881)".
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