The temperature on December 25, 1887 was about 1.1 °C. There was 1 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 98%. 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.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
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.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of death October 20, 1940
The temperature on October 20, 1940 was between 4.7 °C and 16.7 °C and averaged 10.0 °C. There was 0.1 mm of rain. There was 8.8 hours of sunshine (85%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 29 » Three trains on the Nishinari Line; present Sakurajima Line, in Osaka, Japan, collide and explode while approaching Ajikawaguchi Station. One hundred and eighty-one people are killed.
February 27 » Martin Kamen and Sam Ruben discover carbon-14.
May 5 » World War II: Norwegian refugees form a government-in-exile in London.
July 20 » Denmark leaves the League of Nations.
July 27 » The animated short A Wild Hare is released, introducing the character of Bugs Bunny.
December 9 » World War II: Operation Compass: British and Indian troops under the command of Major-General Richard O'Connor attack Italian forces near Sidi Barrani in Egypt.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P13629.php : accessed December 31, 2025), "Helen Douglass (1887-1940)".
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