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
February 8 » Battle of Port Arthur: A surprise torpedo attack by the Japanese at Port Arthur, China starts the Russo-Japanese War.
May 5 » Pitching against the Philadelphia Athletics at the Huntington Avenue Grounds, Cy Young of the Boston Americans throws the first perfect game in the modern era of baseball.
June 15 » A fire aboard the steamboat SSGeneral Slocum in New York City's East River kills 1,000.
August 23 » The automobile tire chain is patented.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
Day of marriage June 28, 1934
The temperature on June 28, 1934 was between 11.6 °C and 19.1 °C and averaged 15.1 °C. There was 18.9 mm of rain during 4.8 hours. There was 1.3 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
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/I169538.php : accessed February 23, 2026), "Hendrik "Henry" Kooistra (1904-1965)".
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