The temperature on August 26, 1904 was between 6.1 °C and 17.6 °C and averaged 13.5 °C. There was 0.4 hours of sunshine (3%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 7 » A fire begins in Baltimore, Maryland; it destroys over 1,500 buildings in 30 hours.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
July 21 » Louis Rigolly, a Frenchman, becomes the first man to break the 100mph (161km/h) barrier on land. He drove a 15-liter Gobron-Brillié in Ostend, Belgium.
July 31 » Russo-Japanese War: Battle of Hsimucheng: Units of the Imperial Japanese Army defeat units of the Imperial Russian Army in a strategic confrontation.
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.
Day of marriage May 9, 1930
The temperature on May 9, 1930 was between -0.7 °C and 12.4 °C and averaged 6.9 °C. There was 0.7 mm of rain during 0.3 hours. There was 6.3 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
April 2 » After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia.
April 18 » The British Broadcasting Corporation announced that "there is no news" in their evening report.
October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
December 7 » W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show.
Day of death September 15, 1966
The temperature on September 15, 1966 was between 11.1 °C and 16.8 °C and averaged 13.8 °C. There was 26.7 mm of rain during 5.6 hours. There was 5.0 hours of sunshine (39%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
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/I56526.php : accessed February 24, 2026), "Harm Oosterhof (1904-1966)".
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