The temperature on August 1, 1889 was about 19.4 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 68%. Source: KNMI
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 11 » Tijuana, Mexico, is founded.
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
Day of marriage July 21, 1915
The temperature on July 21, 1915 was between 11.6 °C and 18.4 °C and averaged 15.2 °C. There was 0.3 mm of rain. There was 9.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
Day of death October 6, 1953
The temperature on October 6, 1953 was between 9.0 °C and 14.5 °C and averaged 11.2 °C. There was 0.1 mm of rain during 0.8 hours. There was 1.0 hours of sunshine (9%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 14 » Josip Broz Tito is inaugurated as the first President of Yugoslavia.
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
July 26 » Arizona Governor John Howard Pyle orders an anti-polygamy law enforcement crackdown on residents of Short Creek, Arizona, which becomes known as the Short Creek raid.
August 12 » The first testing of a real thermonuclear weapon (not test devices): The Soviet atomic bomb project continues with the detonation of "RDS-6s" (Joe 4), the first Soviet thermonuclear bomb.
August 22 » The penal colony on Devil's Island is permanently closed.
October 30 » President Eisenhower approves the top-secret document NSC 162/2 concerning the maintenance of a strong nuclear deterrent force against the Soviet Union.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I24771.php : accessed January 22, 2026), "Wilhelmina Johanna Roovers (1889-1953)".
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