The temperature on December 4, 1909 was between 2.8 °C and 6.1 °C and averaged 4.5 °C. There was 12.4 mm of rain. The average windspeed was 6 Bft (strong wind) and was prevailing from the south. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
August 24 » Workers start pouring concrete for the Panama Canal.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
Day of death November 21, 1963
The temperature on November 21, 1963 was between 2.7 °C and 10.2 °C and averaged 6.2 °C. There was 3.7 mm of rain during 3.2 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 23 » The Guinea-Bissau War of Independence officially begins when PAIGC guerrilla fighters attack the Portuguese army stationed in Tite.
March 21 » Alcatraz Federal Penitentiary (in California) closes.
June 24 » The United Kingdom grants Zanzibar internal self-government.
September 25 » Lord Denning releases the UK government's official report on the Profumo affair.
December 21 » "Bloody Christmas" begins in Cyprus, ultimately resulting in the displacement of 25,000–30,000 Turkish Cypriots and destruction of more than 100 villages.
December 26 » The Beatles' "I Want to Hold Your Hand" and "I Saw Her Standing There" are released in the United States, marking the beginning of Beatlemania on an international level.
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/I199666.php : accessed October 8, 2026), "Heerko Evert Danhof (1909-1963)".
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