July 1 » Start of first Tour de France bicycle race.
July 19 » Maurice Garin wins the first Tour de France.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage April 23, 1930
The temperature on April 23, 1930 was between 1.6 °C and 19.4 °C and averaged 12.5 °C. There was 8.5 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. 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 10 » The Việt Nam Quốc Dân Đảng launches the failed Yên Bái mutiny in hope to overthrow French protectorate over Vietnam.
February 16 » The Romanian Football Federation joins FIFA.
April 2 » After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
Day of death September 8, 1946
The temperature on September 8, 1946 was between 11.0 °C and 17.1 °C and averaged 13.8 °C. There was 2.0 mm of rain during 3.4 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
January 24 » The United Nations General Assembly passes its first resolution to establish the United Nations Atomic Energy Commission.
May 4 » In San Francisco Bay, U.S. Marines from the nearby Treasure Island Naval Base stop a two-day riot at Alcatraz Federal Penitentiary. Five people are killed in the riot.
August 1 » Leaders of the Russian Liberation Army, a force of Russian prisoners of war that collaborated with Nazi Germany, are executed in Moscow, Soviet Union for treason.
August 16 » Mass riots in Kolkata begin; more than 4,000 people would be killed in 72 hours.
September 20 » Six days after a referendum, King Christian X of Denmark annuls the declaration of independence of the Faroe Islands.
December 20 » The popular Christmas film It's a Wonderful Life is first released in New York City.
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/I201873.php : accessed October 22, 2026), "Jacob van Marum (1903-1946)".
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