The temperature on February 1, 1929 was between -2.1 °C and 1.6 °C and averaged 0.1 °C. There was 0.3 hours of sunshine (3%). The average windspeed was 6 Bft (strong wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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 21 » In the first battle of the Warlord Rebellion in northeastern Shandong against the Nationalist government of China, a 24,000-strong rebel force led by Zhang Zongchang was defeated at Zhifu by 7,000 NRA troops.
May 16 » In Hollywood, the first Academy Awards ceremony takes place.
June 17 » The town of Murchison, New Zealand Is rocked by a 7.8 magnitude earthquake killing 17. At the time it was New Zealand's worst natural disaster.
August 8 » The German airship Graf Zeppelin begins a round-the-world flight.
September 7 » Steamer Kuru capsizes and sinks on Lake Näsijärvi near Tampere in Finland. One hundred thirty-six lives are lost.
December 19 » The Indian National Congress promulgates the Purna Swaraj (the Declaration of the Independence of India).
Day of marriage September 3, 1962
The temperature on September 3, 1962 was between 11.4 °C and 27.0 °C and averaged 18.6 °C. There was 7.6 hours of sunshine (56%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 12 » Vietnam War: Operation Chopper, the first American combat mission in the war, takes place.
July 30 » The Trans-Canada Highway, the longest national highway in the world, is officially opened.
August 6 » Jamaica becomes independent from the United Kingdom.
October 12 » The Columbus Day Storm strikes the U.S. Pacific Northwest with record wind velocities; 46 dead and at least U.S. $230 million in damages.
December 9 » The Petrified Forest National Park is established in Arizona.
December 13 » NASA launches Relay 1, the first active repeater communications satellite in orbit.
Day of death February 2, 1975
The temperature on February 2, 1975 was between 5.3 °C and 12.0 °C and averaged 8.0 °C. There was -0.1 mm of rain. There was 3.9 hours of sunshine (43%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 11 » Vietnam War: North Vietnamese and Viet Cong guerrilla forces establish control over Buôn Ma Thuột commune from the South Vietnamese army.
April 9 » The first game of the Philippine Basketball Association, the second oldest professional basketball league in the world.
April 13 » An attack by the Phalangist resistance kills 26 militia members of the Popular Front for the Liberation of Palestine, marking the start of the 15-year Lebanese Civil War.
May 27 » Dibbles Bridge coach crash near Grassington, in North Yorkshire, England, kills 33 – the highest ever death toll in a road accident in the United Kingdom.
August 20 » Viking program: NASA launches the Viking 1 planetary probe toward Mars.
September 24 » Southwest Face expedition members become the first persons to reach the summit of Mount Everest by any of its faces, instead of using a ridge route.
When copying data from this family tree, please include a reference to the origin: Michiel van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-loon/I12.php : accessed February 19, 2026), "Hendrik van der Ploeg (1929-1975)".
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