The temperature on December 18, 1859 was about -11.4 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. 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).
From March 18, 1858 till February 23, 1860 the Netherlands had a cabinet Rochussen - Van Bosse with the prime ministers J.J. Rochussen (conservatief-liberaal) and Mr. P.P. van Bosse (liberaal).
February 4 » The Codex Sinaiticus is discovered in Egypt.
April 4 » Bryant's Minstrels debut "Dixie" in New York City in the finale of a blackface minstrel show.
June 18 » First ascent of Aletschhorn, second summit of the Bernese Alps.
July 30 » First ascent of Grand Combin, one of the highest summits in the Alps.
August 16 » The Grand Duchy of Tuscany formally deposes the exiled House of Lorraine.
August 28 » The Carrington event is the strongest geomagnetic storm on record to strike the Earth. Electrical telegraph service is widely disrupted.
Day of marriage February 20, 1879
The temperature on February 20, 1879 was about 4.0 °C. There was 1 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 83%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
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.
January 22 » The Battle of Isandlwana during the Anglo-Zulu War results in a British defeat.
January 23 » Anglo-Zulu War: the Battle of Rorke's Drift ends.
January 25 » The Bulgarian National Bank is founded.
February 8 » Sandford Fleming first proposes adoption of Universal Standard Time at a meeting of the Royal Canadian Institute.
March 29 » Anglo-Zulu War: Battle of Kambula: British forces defeat 20,000 Zulus.
May 2 » The Spanish Socialist Workers' Party is founded in Madrid by Pablo Iglesias.
Day of death May 14, 1927
The temperature on May 14, 1927 was between 2.4 °C and 10.7 °C and averaged 7.1 °C. There was 2.9 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
January 27 » Ibn Saud takes the title of King of Nejd.
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
April 7 » The first long-distance public television broadcast (from Washington, D.C., to New York City, displaying the image of Commerce Secretary Herbert Hoover).
April 12 » Shanghai massacre of 1927: Chiang Kai-shek orders the Chinese Communist Party members executed in Shanghai, ending the First United Front.
May 21 » Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.
July 16 » Augusto César Sandino leads a raid on U.S. Marines and Nicaraguan Guardia Nacional that had been sent to apprehend him in the village of Ocotal, but is repulsed by one of the first dive-bombing attacks in history.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3522.php : accessed January 8, 2026), "Cornelia Maria Siepker (1859-1927)".
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