The temperature on September 29, 1912 was between 7.6 °C and 11.7 °C and averaged 9.9 °C. There was 4.3 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
Day of marriage May 24, 1935
The temperature on May 24, 1935 was between 10.4 °C and 19.2 °C and averaged 15.0 °C. There was 4.7 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
April 8 » The Works Progress Administration is formed when the Emergency Relief Appropriation Act of 1935 becomes law.
May 27 » New Deal: The Supreme Court of the United States declares the National Industrial Recovery Act to be unconstitutional in A.L.A. Schechter Poultry Corp. v. United States, (295 U.S. 495).
September 3 » Sir Malcolm Campbell reaches a speed of 304.331 miles per hour on the Bonneville Salt Flats in Utah, becoming the first person to drive an automobile over 300mph.
October 20 » The Long March, a mammoth retreat undertaken by the armed forces of the Chinese Communist Party a year prior, ends.
December 27 » Regina Jonas is ordained as the first female rabbi in the history of Judaism.
Day of death July 1, 1997
The temperature on July 1, 1997 was between 10.8 °C and 20.7 °C and averaged 14.4 °C. There was 3.6 mm of rain during 1.5 hours. There was 6.1 hours of sunshine (37%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
March 18 » The tail of a Russian Antonov An-24 charter plane breaks off while en route to Turkey causing the plane to crash and killing all 50 people on board.
April 22 » Haouch Khemisti massacre in Algeria where 93 villagers are killed.
August 20 » Souhane massacre in Algeria; over 60 people are killed and 15 kidnapped.
September 11 » After a nationwide referendum, Scotland votes to establish a devolved parliament within the United Kingdom.
December 1 » Heath High School shooting in West Paducah, Kentucky
December 3 » In Ottawa, Ontario, Canada, representatives from 121 countries sign the Ottawa Treaty prohibiting manufacture and deployment of anti-personnel landmines. The United States, People's Republic of China, and Russia do not sign the treaty, however.
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/I76702.php : accessed February 26, 2026), "Pieter Koops (1912-1997)".
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