The temperature on February 6, 1889 was about 2.5 °C. There was 6 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of marriage May 10, 1919
The temperature on May 10, 1919 was between 9.2 °C and 21.4 °C and averaged 15.7 °C. There was 10.6 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
February 14 » The Polish–Soviet War begins.
May 27 » The NC-4 aircraft arrives in Lisbon after completing the first transatlantic flight.
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
Day of death August 27, 1971
The temperature on August 27, 1971 was between 11.8 °C and 19.1 °C and averaged 15.6 °C. There was 4.3 mm of rain during 2.0 hours. There was 4.0 hours of sunshine (29%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 27 » Doctors in the first Dutch abortion clinic (the Mildredhuis in Arnhem) start performing artificially-induced abortions.
April 7 » President Richard Nixon announces his decision to quicken the pace of Vietnamization.
April 23 » Bangladesh Liberation War: The Pakistan Army and Razakars massacre approximately 3,000 Hindu emigrants in the Jathibhanga area of East Pakistan (now Bangladesh).
September 11 » The Egyptian Constitution becomes official.
December 3 » Indo-Pakistani War of 1971: Pakistan launches a pre-emptive strike against India and a full-scale war begins.
December 6 » Pakistan severs diplomatic relations with India, initiating the Indo-Pakistani War of 1971.
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/I106937.php : accessed February 8, 2026), "Riemke Sytsma (1889-1971)".
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