The temperature on April 15, 1912 was between 2.7 °C and 11.6 °C and averaged 7.7 °C. There was 11.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
October 3 » U.S. forces defeat Nicaraguan rebels at the Battle of Coyotepe Hill.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
Day of death March 23, 1966
The temperature on March 23, 1966 was between 4.3 °C and 8.3 °C and averaged 6.2 °C. There was 2.9 mm of rain during 1.7 hours. There was 1.2 hours of sunshine (10%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 2 » Pakistan suggests a six-point agenda with Kashmir after the Indo-Pakistani War of 1965.
March 4 » In an interview in the London Evening Standard, The Beatles' John Lennon declares that the band is "more popular than Jesus now".
March 31 » The Soviet Union launches Luna 10 which later becomes the first space probe to enter orbit around the Moon.
August 26 » The South African Border War starts with the battle at Omugulugwombashe.
October 5 » A reactor at the Enrico Fermi Nuclear Generating Station near Detroit suffers a partial meltdown.
December 5 » The musical I Do! I Do!, starring Mary Martin and Robert Preston opens at the 46th Street Theatre, in New York City, and closes on June 15, 1968, after 560 performances.
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/I5869.php : accessed February 23, 2026), "Adrianus "Adriaan" de Knijff (1912-1966)".
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