The temperature on January 20, 1888 was about -0.9 °C. The air pressure was 8 kgf/m2 and came mainly from the southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 89%. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
June 15 » Crown Prince Wilhelm becomes Kaiser Wilhelm II; he will be the last Emperor of the German Empire. Due to the death of his predecessors Wilhelm I and Frederick III, 1888 is the Year of the Three Emperors.
June 29 » George Edward Gouraud records Handel's Israel in Egypt onto a phonograph cylinder, thought for many years to be the oldest known recording of music.
September 8 » In London, the body of Jack the Ripper's second murder victim, Annie Chapman, is found.
September 30 » Jack the Ripper kills his third and fourth victims, Elizabeth Stride and Catherine Eddowes.
October 14 » Louis Le Prince films the first motion picture, Roundhay Garden Scene.
October 29 » The Convention of Constantinople is signed, guaranteeing free maritime passage through the Suez Canal during war and peace.
Day of marriage October 23, 1918
The temperature on October 23, 1918 was between 3.3 °C and 15.3 °C and averaged 9.2 °C. There was 0.1 mm of rain. There was 5.4 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
April 21 » World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
August 17 » Bolshevik revolutionary leader Moisei Uritsky is assassinated.
October 28 » First World War: A new Polish government in western Galicia is established, triggering the Polish–Ukrainian War.
October 29 » The German High Seas Fleet is incapacitated when sailors mutiny on the night of the 29th-30th, an action which would trigger the German Revolution of 1918–19.
November 7 » The 1918 influenza epidemic spreads to Western Samoa, killing 7,542 (about 20% of the population) by the end of the year.
Day of death February 7, 1965
The temperature on February 7, 1965 was between 3.3 °C and 7.4 °C and averaged 4.7 °C. There was 0.4 mm of rain during 0.3 hours. There was 2.1 hours of sunshine (22%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 7 » Bloody Sunday: A group of 600 civil rights marchers is brutally attacked by state and local police in Selma, Alabama.
April 4 » The first model of the new Saab Viggen fighter aircraft is unveiled.
October 15 » Vietnam War: A draft card is burned during an anti-war rally by the Catholic Worker Movement, resulting in the first arrest under a new law.
November 11 » Southern Rhodesia's Prime Minister Ian Smith unilaterally declares the colony independent as the unrecognised state of Rhodesia
December 7 » Pope Paul VI and Patriarch Athenagoras I simultaneously revoke mutual excommunications that had been in place since 1054.
December 16 » Vietnam War: General William Westmoreland sends U.S. Secretary of Defense Robert McNamara a request for 243,000 more men by the end of 1966.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I19150.php : accessed February 19, 2026), "Willem van Olst (1888-1965)".
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