The temperature on March 19, 1887 was about 3.3 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 46%. 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.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
October 1 » Balochistan is conquered by the British Empire.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
November 13 » Bloody Sunday clashes in central London.
Day of death April 18, 1970
The temperature on April 18, 1970 was between 7.8 °C and 13.3 °C and averaged 10.8 °C. There was 3.4 mm of rain during 3.8 hours. There was 2.2 hours of sunshine (16%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 2 » Rhodesia declares itself a republic, breaking its last links with the British crown.
March 5 » The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations.
April 12 » Soviet submarine K-8, carrying four nuclear torpedoes, sinks in the Bay of Biscay four days after a fire on board.
April 29 » Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.
October 17 » FLQ terrorists murder Quebec Vice-Premier and Minister of Labour Pierre Laporte.
November 14 » Southern Airways Flight 932 crashes in the mountains near Huntington, West Virginia, killing 75, including almost all of the Marshall University football team.
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/I81717.php : accessed February 19, 2026), "Ellosina Koster (1887-1970)".
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