The temperature on May 16, 1911 was between 6.7 °C and 20.5 °C and averaged 15.0 °C. There was 7.8 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
Day of marriage April 19, 1930
The temperature on April 19, 1930 was between 0.3 °C and 10.1 °C and averaged 5.1 °C. There was 3.7 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
June 16 » Sovnarkom establishes decree time in the USSR.
August 16 » The first British Empire Games were opened in Hamilton, Ontario by the Governor General of Canada, the Viscount Willingdon.
September 8 » 3M begins marketing Scotch transparent tape.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
Day of death April 11, 1974
The temperature on April 11, 1974 was between 3.5 °C and 20.5 °C and averaged 11.5 °C. There was 7.4 hours of sunshine (54%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 8 » Charles de Gaulle Airport opens in Paris, France.
May 1 » The Argentine terrorist organization Montoneros is expelled from Plaza de Mayo by president Juan Perón.
May 9 » Watergate scandal: The United States House Committee on the Judiciary opens formal and public impeachment hearings against President Richard Nixon.
September 8 » Watergate scandal: US President Gerald Ford signs the pardon of Richard Nixon for any crimes Nixon may have committed while in office.
September 11 » Eastern Air Lines Flight 212 crashes in Charlotte, North Carolina, killing 69 passengers and two crew.
November 24 » Donald Johanson and Tom Gray discover the 40% complete Australopithecus afarensis skeleton, nicknamed "Lucy" (after The Beatles song "Lucy in the Sky with Diamonds"), in the Awash Valley of Ethiopia's Afar Depression.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I133065.php : accessed October 20, 2026), "Pietje Prins (1911-1974)".
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