The temperature on April 16, 1889 was about 7.2 °C. The air pressure was 10 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of death March 19, 1952
The temperature on March 19, 1952 was between 2.4 °C and 15.5 °C and averaged 7.8 °C. There was 0.1 mm of rain. There was 5.2 hours of sunshine (43%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
February 15 » King George VI of the United Kingdom is buried in St George's Chapel, Windsor Castle.
April 28 » The Sino-Japanese Peace Treaty (Treaty of Taipei) is signed in Taipei, Taiwan between Japan and the Republic of China to officially end the Second Sino-Japanese War.
June 13 » Catalina affair: A Swedish Douglas DC-3 is shot down by a Soviet MiG-15 fighter.
November 14 » The first regular UK Singles Chart published by the New Musical Express.
November 19 » Greek Field Marshal Alexander Papagos becomes the 152nd Prime Minister of Greece.
December 20 » A United States Air Force C-124 crashes and burns in Moses Lake, Washington killing 87.
When copying data from this family tree, please include a reference to the origin: Edo Kroef, "Family tree Kroef", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kroef/I229.php : accessed January 30, 2026), "Johan Willem KROEF (1889-1952)".
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