The temperature on February 2, 1881 was about 3.1 °C. There was 4 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
January 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 19 » The first line of the Paris Métro opens for operation.
August 3 » The Firestone Tire and Rubber Company is founded.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
Day of death December 12, 1961
The temperature on December 12, 1961 was between 7.0 °C and 12.8 °C and averaged 10.6 °C. There was 14.8 mm of rain during 7.0 hours. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
April 25 » Robert Noyce is granted a patent for an integrated circuit.
May 4 » Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67km).
May 31 » In Moscow City Court, the Rokotov–Faibishenko show trial begins, despite the Khrushchev Thaw to reverse Stalinist elements in Soviet society.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
October 1 » East and West Cameroon merge to form the Federal Republic of Cameroon.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I76291.php : accessed May 14, 2024), "Derk Hof (1881-1961)".
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