The temperature on May 31, 1920 was between 6.4 °C and 16.3 °C and averaged 12.3 °C. There was 1.4 mm of rain. There was 5.9 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
November 12 » Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo.
November 15 » The Free City of Danzig is established.
Day of death June 18, 1990
The temperature on June 18, 1990 was between 10.7 °C and 22.8 °C and averaged 17.3 °C. There was -0.1 mm of rain. There was 2.8 hours of sunshine (17%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 31 » Approximately 200,000 protesters take to the streets of London to protest against the newly introduced Poll Tax.
May 1 » The former Philippine Episcopal Church (supervised by the Episcopal Church of the United States of America) is granted full autonomy and raised to the status of an Autocephalous Anglican Province and renamed the Episcopal Church in the Philippines.
July 27 » The Supreme Soviet of the Belarusian Soviet Republic declares independence of Belarus from the Soviet Union. Until 1996 the day is celebrated as the Independence Day of Belarus; after a referendum held that year the celebration of independence is moved to June 3.
August 12 » Sue, the largest and most complete Tyrannosaurus rex skeleton found to date, is discovered by Sue Hendrickson in South Dakota.
November 7 » Mary Robinson becomes the first woman to be elected President of the Republic of Ireland.
November 16 » Pop group Milli Vanilli are stripped of their Grammy Award because the duo did not sing at all on the Girl You Know It's True album. Session musicians had provided all the vocals.
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/I116352.php : accessed October 4, 2026), "Sytse Pitstra (1920-1990)".
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