The temperature on April 13, 1884 was about 9.5 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 5 » Germany takes possession of Cameroon.
October 6 » The Naval War College of the United States is founded in Rhode Island.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of death November 10, 1918
The temperature on November 10, 1918 was between 1.4 °C and 9.7 °C and averaged 5.7 °C. There was 1.6 hours of sunshine (18%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 31 » A series of accidental collisions on a misty Scottish night leads to the loss of two Royal Navy submarines with over a hundred lives, and damage to another five British warships.
February 1 » Russia adopts the Gregorian calendar.
February 5 » Stephen W. Thompson shoots down a German airplane; this is the first aerial victory by the U.S. military.
March 19 » The US Congress establishes time zones and approves daylight saving time.
April 24 » World War I: First tank-to-tank combat, during the second Battle of Villers-Bretonneux. Three British Mark IVs meet three German A7Vs.
August 29 » World War I: Bapaume taken by the New Zealand Division in the Hundred Days Offensive.
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/I59891.php : accessed February 13, 2026), "Wibrandus Joannes Sipkema (1884-1918)".
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