The temperature on November 9, 1904 was between 7.8 °C and 13.6 °C and averaged 11.4 °C. The average windspeed was 6 Bft (strong wind) and was prevailing from the west-southwest. Source: KNMI
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 17 » Madama Butterfly receives its première at La Scala in Milan.
May 4 » The United States begins construction of the Panama Canal.
May 15 » Russo-Japanese War: The Russian minelayer Amur lays a minefield about 15 miles off Port Arthur and sinks Japan's battleships Hatsuse, 15,000 tons, with 496 crew and Yashima.
June 16 » Irish author James Joyce begins a relationship with Nora Barnacle and subsequently uses the date to set the actions for his novel Ulysses; this date is now traditionally called "Bloomsday".
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.
Day of marriage May 1, 1930
The temperature on May 1, 1930 was between 3.0 °C and 16.7 °C and averaged 10.2 °C. There was 6.0 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
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.
September 6 » Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
Day of death December 20, 1970
The temperature on December 20, 1970 was between 1.6 °C and 7.4 °C and averaged 5.1 °C. There was 0.4 mm of rain during 0.9 hours. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 1 » The defined beginning of Unix time, at 00:00:00.
April 24 » China launches Dong Fang Hong I, becoming the fifth nation to put an object into orbit using its own booster.
April 26 » The Convention Establishing the World Intellectual Property Organization enters into force.
August 26 » A new feminist movement leads a nationwide Women's Strike for Equality.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
October 12 » Vietnam War: Vietnamization continues as President Nixon announces that the United States will withdraw 40,000 more troops before Christmas.
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/I200564.php : accessed February 4, 2026), "Albert Drok (1904-1970)".
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