April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of marriage November 5, 1921
The temperature on November 5, 1921 was between 5.7 °C and 12.1 °C and averaged 8.9 °C. There was 0.1 mm of rain. There was 5.3 hours of sunshine (56%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 19 » Irish War of Independence: One of the biggest engagements of the war takes place at Crossbarry, County Cork. About 100 Irish Republican Army (IRA) volunteers escape an attempt by over 1,300 British forces to encircle them.
May 31 » The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
Day of death September 20, 1971
The temperature on September 20, 1971 was between 4.4 °C and 22.6 °C and averaged 13.2 °C. There was 0.1 mm of rain. There was 7.4 hours of sunshine (60%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 31 » Apollo program: Apollo 14: Astronauts Alan Shepard, Stuart Roosa, and Edgar Mitchell, aboard a Saturn V, lift off for a mission to the Fra Mauro Highlands on the Moon.
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
April 1 » Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh.
August 15 » President Richard Nixon completes the break from the gold standard by ending convertibility of the United States dollar into gold by foreign investors.
September 29 » Oman joins the Arab League.
November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.
When copying data from this family tree, please include a reference to the origin: Jacobus Trox, "Lap family tree", database, Genealogy Online (https://www.genealogieonline.nl/lap-stamboom/I2376.php : accessed March 5, 2026), "Jan de Jonge (1895-1971)".
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