The temperature on December 11, 1873 was about 3.7 °C. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 78 cm mercury. The atmospheric humidity was 94%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
March 10 » The first Azerbaijani play "The Adventures of the Vizier of the Khan of Lenkaran" prepared by Akhundov was performed by Hassan-bey Zardabi and dramatist and Najaf-bey Vezirov.
March 22 » The Spanish National Assembly abolishes slavery in Puerto Rico.
April 1 » The White Star steamer RMSAtlantic sinks off Nova Scotia, killing 547 in one of the worst marine disasters of the 19th century.
April 13 » The Colfax massacre, in which more than 60 black men are murdered, takes place.
July 21 » At Adair, Iowa, Jesse James and the James–Younger Gang pull off the first successful train robbery in the American Old West.
August 23 » Albert Bridge in Chelsea, London opens.
Day of marriage May 20, 1899
The temperature on May 20, 1899 was about 15.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 77%. Source: KNMI
January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
March 31 » Malolos, capital of the First Philippine Republic, is captured by American forces.
June 7 » American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
Day of death November 12, 1918
The temperature on November 12, 1918 was between -0.4 °C and 9.6 °C and averaged 3.8 °C. There was 0.1 mm of rain. There was 3.8 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 17 » Finnish Civil War: The first serious battles take place between the Red Guards and the White Guard.
February 5 » SSTuscania is torpedoed off the coast of Ireland; it is the first ship carrying American troops to Europe to be torpedoed and sunk.
February 21 » The last Carolina parakeet dies in captivity at the Cincinnati Zoo.
October 11 » The 7.1 Mw San Fermín earthquake shakes Puerto Rico. The quake and resulting tsunami kill up to 116 people.
October 26 » Erich Ludendorff, quartermaster-general of the Imperial German Army, is dismissed by Kaiser Wilhelm II for refusing to cooperate in peace negotiations.
November 7 » The 1918 influenza epidemic spreads to Western Samoa, killing 7,542 (about 20% of the population) by the end of the year.
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/I150616.php : accessed February 13, 2026), "Roel Siebenga (1873-1918)".
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