The temperature on July 18, 1889 was about 17.0 °C. There was 0.4 mm of rain. The air pressure was 20 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
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.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage September 18, 1913
The temperature on September 18, 1913 was between 10.0 °C and 18.5 °C and averaged 13.6 °C. There was 0.3 hours of sunshine (2%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
February 19 » Pedro Lascuráin becomes President of Mexico for 45 minutes; this is the shortest term to date of any person as president of any country.
February 20 » King O'Malley drives in the first survey peg to mark commencement of work on the construction of Canberra.
March 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
May 3 » Raja Harishchandra, the first full-length Indian feature film, is released, marking the beginning of the Indian film industry.
October 31 » Dedication of the Lincoln Highway, the first automobile highway across United States.
December 23 » The Federal Reserve Act is signed into law by President Woodrow Wilson, creating the Federal Reserve System.
Day of death April 21, 1969
The temperature on April 21, 1969 was between 2.4 °C and 10.9 °C and averaged 7.8 °C. There was 5.7 mm of rain during 10.8 hours. There was 1.0 hours of sunshine (7%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
April 5 » Vietnam War: Massive antiwar demonstrations occur in many U.S. cities.
May 17 » Venera program: Soviet Venera 6 begins its descent into the atmosphere of Venus, sending back atmospheric data before being crushed by pressure.
June 3 » Melbourne–Evans collision: off the coast of South Vietnam, the Australian aircraft carrier HMASMelbourne cuts the U.S. Navy destroyer USSFrank E. Evans in half.
August 15 » The Woodstock Music & Art Fair opens in upstate New York, featuring some of the top rock musicians of the era.
October 9 » In Chicago, the National Guard is called in as demonstrations continue over the trial of the "Chicago Eight".
November 10 » National Educational Television (the predecessor to the Public Broadcasting Service) in the United States debuts Sesame Street.
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/I2898.php : accessed February 4, 2026), "Joannes Antonius van Etten (1889-1969)".
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