The temperature on June 14, 1931 was between 13.6 °C and 25.6 °C and averaged 19.0 °C. There was 27.2 mm of rain during 1.3 hours. There was 7.4 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 5 » The British Raj: Gandhi–Irwin Pact is signed.
May 1 » The Empire State Building is dedicated in New York City.
May 7 » The stand-off between criminal Francis Crowley and 300 members of the New York Police Department takes place in his fifth-floor apartment on West 91st Street, New York City.
August 24 » France and the Soviet Union sign a neutrality pact.
October 1 » Clara Campoamor persuades the Constituent Cortes to enfranchise women in Spain's new constitution.
October 17 » Al Capone is convicted of income tax evasion.
Day of marriage June 30, 1956
The temperature on June 30, 1956 was between 13.0 °C and 21.0 °C and averaged 16.7 °C. There was 8.2 hours of sunshine (49%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 5 » Cuban Revolution: Fidel Castro declares himself at war with Cuban President Fulgencio Batista.
May 1 » A doctor in Japan reports an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
September 9 » Elvis Presley appears on The Ed Sullivan Show for the first time.
October 19 » The Soviet Union and Japan sign a Joint Declaration, officially ending the state of war between the two countries that had existed since August 1945.
November 7 » Suez Crisis: The United Nations General Assembly adopts a resolution calling for the United Kingdom, France and Israel to immediately withdraw their troops from Egypt.
Day of death August 12, 2011
The temperature on August 12, 2011 was between 13.4 °C and 21.1 °C and averaged 17.6 °C. There was 0.3 mm of rain during 0.8 hours. There was 1.5 hours of sunshine (10%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Thursday, October 14, 2010 to Monday, November 5, 2012 the cabinet Rutte I, with Mark Rutte (VVD) as prime minister.
January 27 » Arab Spring: The Yemeni Revolution begins as over 16,000 protestors demonstrate in Sana'a.
February 17 » Arab Spring: Libyan protests against Muammar Gaddafi's regime begin. In Bahrain, security forces launched a deadly pre-dawn raid on protesters in Pearl Roundabout in Manama, the day is locally known as Bloody Thursday.
July 13 » United Nations Security Council Resolution 1999 is adopted, which admits South Sudan to member status of United Nations.
November 12 » A blast in Iran's Shahid Modarres missile base leads to the death of 17 of the Revolutionary Guards members, including Hassan Tehrani Moghaddam, a key figure in Iran's missile program.
November 12 » Silvio Berlusconi tenders his resignation as Prime Minister of Italy, effective November 16, due in large part to the European sovereign debt crisis.
December 31 » NASA succeeds in putting the first of two Gravity Recovery and Interior Laboratory satellites in orbit around the Moon.
When copying data from this family tree, please include a reference to the origin: Bert Grooten, "Family tree Grooten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grooten/I975.php : accessed February 12, 2026), "Derk Wever (1931-2011)".
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