The temperature on February 23, 1875 was about 1.2 °C. The air pressure was 8 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
July 9 » The Federation of Australia is given royal assent.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
Day of death October 13, 1959
The temperature on October 13, 1959 was between 6.5 °C and 16.0 °C and averaged 11.4 °C. There was 0.4 hours of sunshine (4%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
April 9 » Project Mercury: NASA announces the selection of the United States' first seven astronauts, whom the news media quickly dub the "Mercury Seven".
April 25 » The Saint Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping.
May 30 » The Auckland Harbour Bridge, crossing the Waitematā Harbour in Auckland, New Zealand, is officially opened by Governor-General Charles Lyttelton, 10th Viscount Cobham.
July 27 » The Continental League is announced as baseball's "3rd major league" in the United States.
August 7 » Explorer program: Explorer 6 launches from the Atlantic Missile Range in Cape Canaveral, Florida.
December 1 » Cold War: Opening date for signature of the Antarctic Treaty, which sets aside Antarctica as a scientific preserve and bans military activity on the continent.
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/I84766.php : accessed October 11, 2026), "Willem Koops (1875-1959)".
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