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
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
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.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
June 1 » The Deccan Queen is introduced as first intercity train between Bombay VT (Now Mumbai CST) and Poona (Pune) to run on electric locomotives.
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
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.
April 1 » The Local Government Act 1972 of England and Wales comes into effect.
July 15 » In Nicosia, Cyprus, Greek junta-sponsored nationalists launch a coup d'état, deposing President Makarios and installing Nikos Sampson as Cypriot president.
September 8 » Watergate scandal: US President Gerald Ford signs the pardon of Richard Nixon for any crimes Nixon may have committed while in office.
October 30 » The Rumble in the Jungle boxing match between Muhammad Ali and George Foreman takes place in Zaire.
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 21, 2026), "Pietje Prins (1911-1974)".
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