The temperature on April 21, 1909 was between 4.5 °C and 12.6 °C and averaged 8.5 °C. There was 3.4 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
April 11 » The city of Tel Aviv is founded.
April 27 » Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
Day of marriage August 31, 1934
The temperature on August 31, 1934 was between 4.5 °C and 16.0 °C and averaged 10.1 °C. There was 1.1 mm of rain during 0.3 hours. There was 1.1 hours of sunshine (8%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 1 » Alcatraz Island in San Francisco Bay becomes a United States federal prison.
August 11 » The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
August 19 » The first All-American Soap Box Derby is held in Dayton, Ohio.
September 18 » The Soviet Union is admitted to the League of Nations.
September 21 » A large typhoon hits western Honshū, Japan, killing more than three thousand people.
September 22 » The Gresford disaster in Wales kills 266 miners and rescuers.
Day of death December 21, 1980
The temperature on December 21, 1980 was between 0.3 °C and 4.3 °C and averaged 2.5 °C. There was 4.4 mm of rain during 2.5 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I9331.php : accessed March 7, 2026), "Derk Hendrik Roose (1909-1980)".
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