The temperature on July 6, 1917 was between 8.2 °C and 19.6 °C and averaged 14.5 °C. There was 11.2 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
June 5 » World War I: Conscription begins in the United States as "Army registration day".
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
August 28 » Ten Suffragettes are arrested while picketing the White House.
October 25 » Old Style date of the October Revolution in Russia.
Day of marriage April 13, 1950
The temperature on April 13, 1950 was between -0.9 °C and 10.3 °C and averaged 4.6 °C. There was 2.2 mm of rain during 1.8 hours. There was 4.0 hours of sunshine (29%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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).
January 31 » Cold War: U.S. President Harry S. Truman announces a program to develop the hydrogen bomb.
March 1 » Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
May 13 » The first round of the Formula One World Championship is held at Silverstone.
June 27 » The United States decides to send troops to fight in the Korean War.
October 21 » Korean War: Heavy fighting begins between British and Australian forces against the North Koreans during the Battle of Yongju.
December 9 » Cold War: Harry Gold is sentenced to 30 years in jail for helping Klaus Fuchs pass information about the Manhattan Project to the Soviet Union. His testimony is later instrumental in the prosecution of Julius and Ethel Rosenberg.
Day of death December 2, 1985
The temperature on December 2, 1985 was between 10.1 °C and 12.3 °C and averaged 11.2 °C. There was 1.7 mm of rain during 2.1 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 31 » The first WrestleMania, the biggest wrestling event from the WWE (then the WWF), takes place in Madison Square Garden in New York City.
October 7 » The Mameyes landslide kills almost 200 people in Puerto Rico.
October 10 » US Navy aircraft intercept an Egyptian airliner carrying the perpetrators of the Achille Lauro hijacking, and force it to land in Italy.
October 30 » Space Shuttle Challenger lifts off for mission STS-61-A, its final successful mission.
November 13 » The volcano Nevado del Ruiz erupts and melts a glacier, causing a lahar (volcanic mudslide) that buries Armero, Colombia, killing approximately 23,000 people.
December 16 » Paul Castellano and Thomas Bilotti are shot dead on the orders of John Gotti, who assumes leadership of New York's Gambino crime family.
When copying data from this family tree, please include a reference to the origin: S. Ophof, "Family tree Ophof", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ophof/R83.php : accessed January 30, 2026), "Gerrit van Leeuwen (1917-1985)".
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