The temperature on March 31, 1904 was between 1.3 °C and 9.2 °C and averaged 4.7 °C. There was 6.9 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
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.
May 10 » The Horch & Cir. Motorwagenwerke AG is founded. It would eventually become the Audi company.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
December 7 » Comparative fuel trials begin between warships HMSSpiteful and HMSPeterel: Spiteful was the first warship powered solely by fuel oil, and the trials led to the obsolescence of coal in ships of the Royal Navy.
Day of marriage April 22, 1930
The temperature on April 22, 1930 was between 2.6 °C and 11.7 °C and averaged 6.9 °C. There was 0.9 mm of rain during 0.8 hours. There was 8.3 hours of sunshine (58%). The average windspeed was 2 Bft (weak wind) 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.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
April 28 » The Independence Producers hosted the first night game in the history of Organized Baseball in Independence, Kansas.
May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
June 21 » One-year conscription comes into force in France.
July 30 » In Montevideo, Uruguay wins the first FIFA World Cup.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
Day of death January 25, 1944
The temperature on January 25, 1944 was between 4.5 °C and 9.0 °C and averaged 7.1 °C. There was 2.9 mm of rain during 1.2 hours. There was 3.8 hours of sunshine (44%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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/I178641.php : accessed February 25, 2026), "Egbert Wardenburg (1904-1944)".
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