February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
April 14 » The Exposition Universelle begins.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage August 2, 1923
The temperature on August 2, 1923 was between 8.6 °C and 23.3 °C and averaged 17.3 °C. There was 0.1 mm of rain. There was 10.9 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 3 » TIME magazine is published for the first time.
June 18 » Checker Taxi puts its first taxi on the streets.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
October 31 » The first of 160 consecutive days of 100° Fahrenheit at Marble Bar, Western Australia.
November 8 » Beer Hall Putsch: In Munich, Adolf Hitler leads the Nazis in an unsuccessful attempt to overthrow the German government.
Day of death November 22, 1971
The temperature on November 22, 1971 was between 1.0 °C and 4.7 °C and averaged 2.8 °C. There was 8.0 mm of rain during 8.0 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
February 5 » Astronauts land on the moon in the Apollo 14 mission.
June 13 » Vietnam War: The New York Times begins publication of the Pentagon Papers.
July 31 » Apollo program: Apollo 15 astronauts become the first to ride in a lunar rover.
November 14 » Mariner 9 enters orbit around Mars.
November 22 » In Britain's worst mountaineering tragedy, the Cairngorm Plateau Disaster, five children and one of their leaders are found dead from exposure in the Scottish mountains.
December 3 » Indo-Pakistani War of 1971: Pakistan launches a pre-emptive strike against India and a full-scale war begins.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I91510.php : accessed October 16, 2026), "Derk Weening (1900-1971)".
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