The temperature on August 30, 1918 was between 4.0 °C and 17.5 °C and averaged 12.5 °C. There was 3.2 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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 1 » Russia adopts the Gregorian calendar.
July 4 » Bolsheviks kill Tsar Nicholas II of Russia and his family (Julian calendar date).
July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
September 28 » World War I: The Fifth Battle of Ypres begins.
October 30 » World War I: The Ottoman Empire signs the Armistice of Mudros with the Allies.
November 23 » Heber J. Grant succeeds Joseph F. Smith as the seventh president of The Church of Jesus Christ of Latter-day Saints.
Day of marriage February 28, 1942
The temperature on February 28, 1942 was between -8.7 °C and 2.8 °C and averaged -1.0 °C. There was 5.3 hours of sunshine (49%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 9 » World War II: Dutch East Indies unconditionally surrendered to the Japanese forces in Kalijati, Subang, West Java, and the Japanese completed their Dutch East Indies campaign.
May 26 » World War II: The Battle of Gazala takes place.
June 22 » World War II: Erwin Rommel is promoted to Field Marshal after the Axis capture of Tobruk.
July 1 » The Australian Federal Government becomes the sole collector of income tax in Australia as State Income Tax is abolished.
August 25 » World War II: Second day of the Battle of the Eastern Solomons; a Japanese naval transport convoy headed towards Guadalcanal is turned back by an Allied air attack.
October 26 » World War II: In the Battle of the Santa Cruz Islands during the Guadalcanal Campaign, one U.S. aircraft carrier is sunk and another carrier is heavily damaged, while two Japanese carriers and one cruiser are heavily damaged.
Day of death May 18, 1989
The temperature on May 18, 1989 was between 9.6 °C and 25.9 °C and averaged 17.8 °C. There was 13.0 hours of sunshine (82%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
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.
February 8 » Independent Air Flight 1851 strikes Pico Alto mountain while on approach to Santa Maria Airport (Azores) killing all 144 passengers on board.
April 1 » Margaret Thatcher's new local government tax, the Community Charge (commonly known as the "poll tax"), is introduced in Scotland.
June 4 » Ufa train disaster: A natural gas explosion near Ufa, Russia, kills 575 as two trains passing each other throw sparks near a leaky pipeline.
August 2 » Pakistan is re-admitted to the Commonwealth of Nations after having restored democracy for the first time since 1972.
September 11 » Hungary announces that the East German refugees who had been housed in temporary camps were free to leave for West Germany.
November 7 » East German Prime Minister Willi Stoph, along with his entire cabinet, is forced to resign after huge anti-government protests.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I76339.php : accessed February 18, 2026), "Albert Koops (1918-1989)".
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