The temperature on June 13, 1917 was between 14.8 °C and 28.6 °C and averaged 19.6 °C. There was 3.9 mm of rain. There was 10.1 hours of sunshine (61%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
June 13 » World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
June 26 » World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
October 15 » World War I: Dutch dancer Mata Hari is executed by France for espionage.
December 6 » Finland declares independence from Soviet Russia.
Day of marriage October 18, 1939
The temperature on October 18, 1939 was between 6.2 °C and 9.2 °C and averaged 8.1 °C. There was 6.0 mm of rain during 2.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
March 26 » Spanish Civil War: Nationalists begin their final offensive of the war.
June 1 » First flight of the German Focke-Wulf Fw 190 fighter aircraft.
June 12 » Shooting begins on Paramount Pictures' Dr. Cyclops, the first horror film photographed in three-strip Technicolor.
August 23 » World War II: Nazi Germany and the Soviet Union sign a non-aggression treaty, the Molotov–Ribbentrop Pact. In a secret addition to the pact, the Baltic states, Finland, Romania, and Poland are divided between the two nations.
September 28 » World War II: Nazi Germany and the Soviet Union agree on a division of Poland.
September 30 » NBC broadcasts the first televised American football game.
Day of death December 5, 1990
The temperature on December 5, 1990 was between -1.2 °C and 7.0 °C and averaged 3.4 °C. There was -0.1 mm of rain. There was 2.3 hours of sunshine (29%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. 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.
February 11 » Nelson Mandela is released from Victor Verster Prison outside Cape Town, South Africa after 27 years as a political prisoner.
March 11 » Lithuania declares itself independent from the Soviet Union.
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.
September 12 » The two German states and the Four Powers sign the Treaty on the Final Settlement with Respect to Germany in Moscow, paving the way for German reunification.
October 3 » The German Democratic Republic is abolished and becomes part of the Federal Republic of Germany.
November 13 » In Aramoana, New Zealand, David Gray shoots dead 13 people in a massacre before being tracked down and killed by police the next day.
Day of burial December 8, 1990
The temperature on December 8, 1990 was between -1.7 °C and 3.3 °C and averaged 0.6 °C. There was -0.1 mm of rain. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
January 10 » Time Warner is formed by the merger of Time Inc. and Warner Communications.
April 16 » "Doctor Death", Jack Kevorkian, participates in his first assisted suicide.
June 13 » First day of the June 1990 Mineriad in Romania. At least 240 strikers and students are arrested or killed in the chaos ensuing from the first post-Ceaușescu elections.
July 22 » Greg LeMond, an American road racing cyclist, wins his third Tour de France after leading the majority of the race. It was LeMond's second consecutive Tour de France victory.
August 8 » Iraq occupies Kuwait and the state is annexed to Iraq. This would lead to the Gulf War shortly afterward.
October 13 » Syrian forces attack free areas of Lebanon, removing General Michel Aoun from the presidential palace.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2815.php : accessed January 16, 2026), "Johannes Gerardus Cornelius van Iersel (1917-1990)".
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