The temperature on April 22, 1887 was about 11.4 °C. There was 0.1 mm of rain. The air pressure was 20 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 84%. 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 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
October 1 » Balochistan is conquered by the British Empire.
November 13 » Bloody Sunday clashes in central London.
Day of death February 21, 1964
The temperature on February 21, 1964 was between -9.0 °C and 4.3 °C and averaged -2.0 °C. There was 5.1 hours of sunshine (49%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
February 17 » In Wesberry v. Sanders the Supreme Court of the United States rules that congressional districts have to be approximately equal in population.
May 20 » Discovery of the cosmic microwave background radiation by Robert Woodrow Wilson and Arno Penzias.
June 12 » Anti-apartheid activist and ANC leader Nelson Mandela is sentenced to life in prison for sabotage in South Africa.
August 19 » Syncom 3, the first geostationary communication satellite, was launched.
December 5 » Vietnam War: For his heroism in battle earlier in the year, Captain Roger Donlon is awarded the first Medal of Honor of the war.
December 24 » Flying Tiger Line Flight 282 crashes after takeoff from San Francisco International Airport, killing three.
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/I102553.php : accessed October 23, 2026), "Geeltje de Haan (1887-1964)".
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