The temperature on July 1, 1904 was between 8.4 °C and 22.0 °C and averaged 15.6 °C. There was 9.6 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 8 » Aceh War: Dutch Colonial Army's Marechaussee regiment led by General G.C.E. van Daalen launch military campaign to capture Gayo Highland, Alas Highland, and Batak Highland in Dutch East Indies' Northern Sumatra region, which ends with genocide to Acehnese and Bataks people.
February 9 » Russo-Japanese War: Battle of Port Arthur concludes.
April 5 » The first international rugby league match is played between England and an Other Nationalities team (Welsh and Scottish players) in Central Park, Wigan, England.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
Day of marriage February 15, 1930
The temperature on February 15, 1930 was between -0.4 °C and 5.3 °C and averaged 2.6 °C. There was 2.9 mm of rain during 2.6 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 18 » The British Broadcasting Corporation announced that "there is no news" in their evening report.
April 28 » The Independence Producers hosted the first night game in the history of Organized Baseball in Independence, Kansas.
June 17 » U.S. President Herbert Hoover signs the Smoot–Hawley Tariff Act into law.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
September 8 » 3M begins marketing Scotch transparent tape.
September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.
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/I114805.php : accessed December 30, 2025), "Jan Bosgraaf (1904-)".
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