The temperature on August 4, 1911 was between 11.4 °C and 22.6 °C and averaged 17.4 °C. There was 2.5 mm of rain. There was 9.0 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
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.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage February 25, 1937
The temperature on February 25, 1937 was between -1.0 °C and 6.8 °C and averaged 1.9 °C. There was 5.3 mm of rain during 2.2 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 19 » Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours, 28 minutes, 25 seconds.
February 16 » Wallace H. Carothers receives a United States patent for nylon.
June 30 » The world's first emergency telephone number, 999, is introduced in London.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
October 9 » Murder of 9 Catholic priests in Zhengding, China, who protected the local population from the advancing Japanese army.
Day of death December 19, 1967
The temperature on December 19, 1967 was between -2.7 °C and 5.1 °C and averaged 0.5 °C. There was 2.4 mm of rain during 3.6 hours. There was 3.0 hours of sunshine (39%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
March 6 » Cold War: Joseph Stalin's daughter Svetlana Alliluyeva defects to the United States.
June 4 » Seventy-two people are killed when a Canadair C-4 Argonaut crashes at Stockport in England.
August 14 » UK Marine Broadcasting Offences Act declares participation in offshore pirate radio illegal.
September 15 » U.S. President Lyndon B. Johnson, responding to a sniper attack at the University of Texas at Austin, writes a letter to Congress urging the enactment of gun control legislation.
October 26 » Mohammad Reza Pahlavi crowns himself Emperor of Iran.
November 9 » Apollo program: NASA launches the unmanned Apollo 4 test spacecraft atop the first Saturn V rocket from Cape Kennedy, Florida.
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/I2442.php : accessed December 27, 2025), "Klaas Weening (1911-1967)".
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