The temperature on August 18, 1926 was between 14.2 °C and 23.4 °C and averaged 17.6 °C. There was 1.9 mm of rain. There was 4.9 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
November 25 » The deadliest November tornado outbreak in U.S. history kills 76 people and injures more than 400.
December 17 » Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful.
Day of marriage July 13, 1950
The temperature on July 13, 1950 was between 8.4 °C and 22.3 °C and averaged 16.7 °C. There was 10.3 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
April 8 » India and Pakistan sign the Liaquat–Nehru Pact.
June 28 » Korean War: Suspected communist sympathizers (between 60,000 to 200,000) are executed in the Bodo League massacre.
August 12 » Korean War: Bloody Gulch massacre: 75 American POWs are massacred by North Korean Army.
September 26 » Korean War: United Nations troops recapture Seoul from North Korean forces.
October 19 » Korean War: The Battle of Pyongyang ends in a United Nations victory. Hours later, the Chinese Army begins crossing the border into Korea.
November 21 » Two Canadian National Railway trains collide in northeastern British Columbia in the Canoe River train crash; the death toll is 21, with 17 of them Canadian troops bound for Korea.
Day of death February 9, 1989
The temperature on February 9, 1989 was between 0.1 °C and 10.3 °C and averaged 5.0 °C. There was 8.6 hours of sunshine (90%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
June 5 » The Tank Man halts the progress of a column of advancing tanks for over half an hour after the Tiananmen Square protests of 1989.
August 19 » Several hundred East Germans cross the frontier between Hungary and Austria during the Pan-European Picnic, part of the events that began the process of the Fall of the Berlin Wall.
August 22 » Nolan Ryan strikes out Rickey Henderson to become the first Major League Baseball pitcher to record 5,000 strikeouts.
November 27 » Avianca Flight 203: A Boeing 727 explodes in mid-air over Colombia, killing all 107 people on board and three people on the ground. The Medellín Cartel will claim responsibility for the attack.
December 13 » The Troubles: Attack on Derryard checkpoint: The Provisional Irish Republican Army launches an attack on a British Army temporary vehicle checkpoint near Rosslea, Northern Ireland. Two British soldiers are killed and two others are wounded.
December 20 » The United States invasion of Panama deposes Manuel Noriega.
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I2041.php : accessed February 1, 2026), "johan herman koers (1926-1989)".
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