The temperature on June 30, 1904 was between 5.1 °C and 22.6 °C and averaged 14.9 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
May 4 » The United States begins construction of the Panama Canal.
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.
May 9 » The steam locomotive City of Truro becomes the first steam engine in Europe to exceed 100mph (160km/h).
June 28 » The SSNorge runs aground on Hasselwood Rock in the North Atlantic 430 kilometres (270mi) northwest of Ireland. More than 635 people die during the sinking.
August 10 » Russo-Japanese War: The Battle of the Yellow Sea between the Russian and Japanese battleship fleets takes place.
October 4 » The IFK Göteborg football club is founded in Sweden.
Day of death October 18, 1931
The temperature on October 18, 1931 was between 3.1 °C and 15.8 °C and averaged 10.4 °C. There was 7.1 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3726.php : accessed January 24, 2026), "Helena Petronella Leonarda Heijstek (1904-1931)".
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