The temperature on April 20, 1940 was between 6.1 °C and 19.4 °C and averaged 12.0 °C. There was 0.1 mm of rain during 0.3 hours. There was 9.6 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 9 » World War II: Operation Weserübung: Germany invades Denmark and Norway.
June 3 » World War II: The Battle of Dunkirk ends with a German victory and with Allied forces in full retreat.
June 21 » World War II: Italy begins an unsuccessful invasion of France.
September 18 » World War II: The British liner SSCity of Benares is sunk by German submarine U-48; those killed include 77 child refugees.
November 8 » Greco-Italian War: The Italian invasion of Greece fails as outnumbered Greek units repulse the Italians in the Battle of Elaia–Kalamas.
November 11 » World War II: In the Battle of Taranto, the Royal Navy launches the first all-aircraft ship-to-ship naval attack in history.
Day of marriage August 13, 1957
The temperature on August 13, 1957 was between 12.6 °C and 20.8 °C and averaged 16.6 °C. There was 3.4 hours of sunshine (23%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 22 » Israel withdraws from the Sinai Peninsula.
March 17 » A plane crash in Cebu, Philippines kills Philippine President Ramon Magsaysay and 24 others.
March 25 » United States Customs seizes copies of Allen Ginsberg's poem "Howl" on obscenity grounds.
March 31 » Elections to the Territorial Assembly of the French colony Upper Volta are held. After the elections PDU and MDV form a government.
April 6 » Greek shipping tycoon Aristotle Onassis buys the Hellenic National Airlines (TAE) and founds Olympic Airlines.
June 21 » Ellen Fairclough is sworn in as Canada's first female Cabinet Minister.
Day of death September 12, 1990
The temperature on September 12, 1990 was between 8.7 °C and 18.7 °C and averaged 13.9 °C. There was -0.1 mm of rain. There was 1.7 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northeast. 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 18 » In the largest art theft in US history, 12 paintings, collectively worth around $500million, are stolen from the Isabella Stewart Gardner Museum in Boston.
June 20 » The 7.4 Mw Manjil–Rudbar earthquake affects northern Iran with a maximum Mercalli intensity of X (Extreme), killing 35,000–50,000, and injuring 60,000–105,000.
August 6 » Gulf War: The United Nations Security Council orders a global trade embargo against Iraq in response to Iraq's invasion of Kuwait.
September 29 » The YF-22, which would later become the F-22 Raptor, flies for the first time.
October 28 » Georgia holds its only free election under Soviet rule.
November 28 » British Prime Minister Margaret Thatcher resigns as leader of the Conservative Party and, therefore, as Prime Minister. She is succeeded in both positions by John Major.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I2154.php : accessed February 26, 2026), "Jeannette Plugboer (1940-1990)".
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