April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
October 6 » The High Court of Australia sits for the first time.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
Day of marriage May 20, 1931
The temperature on May 20, 1931 was between 7.4 °C and 11.9 °C and averaged 9.1 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 3 » The United States adopts The Star-Spangled Banner as its national anthem.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
March 19 » Gambling is legalized in Nevada.
October 17 » Al Capone is convicted of income tax evasion.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
Day of death September 22, 1969
The temperature on September 22, 1969 was between 5.4 °C and 18.4 °C and averaged 14.4 °C. There was 0.9 mm of rain during 0.6 hours. There was 7.3 hours of sunshine (59%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 16 » Soviet spacecraft Soyuz 4 and Soyuz 5 perform the first-ever docking of manned spacecraft in orbit, the first-ever transfer of crew from one space vehicle to another, and the only time such a transfer was accomplished with a space walk.
July 19 » Chappaquiddick incident: U.S. Senator Ted Kennedy crashes his car into a tidal pond at Chappaquiddick Island, Massachusetts, killing his passenger Mary Jo Kopechne.
August 10 » A day after murdering Sharon Tate and four others, members of Charles Manson's cult kill Leno and Rosemary LaBianca.
August 15 » The Woodstock Music & Art Fair opens in upstate New York, featuring some of the top rock musicians of the era.
October 8 » The opening rally of the Days of Rage occurs, organized by the Weather Underground in Chicago.
November 15 » Vietnam War: In Washington, D.C., 250,000-500,000 protesters staged a peaceful demonstration against the war, including a symbolic "March Against Death".
When copying data from this family tree, please include a reference to the origin: Hildo Onstenk, "Family tree Onstenk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-onstenk/I511.php : accessed January 26, 2026), "Jan Joseph Groen (1903-1969)".
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