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.
June 11 » Paris–Bordeaux–Paris, sometimes called the first automobile race in history or the "first motor race", takes place.
June 28 » The United States Court of Private Land Claims rules James Reavis’s claim to Barony of Arizona is "wholly fictitious and fraudulent."
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
Day of marriage April 28, 1921
The temperature on April 28, 1921 was between 8.4 °C and 20.1 °C and averaged 14.4 °C. There was 11.9 hours of sunshine (81%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
November 4 » Japanese Prime Minister Hara Takashi is assassinated in Tokyo.
Day of death July 13, 1976
The temperature on July 13, 1976 was between 15.2 °C and 23.9 °C and averaged 19.5 °C. There was 1.9 mm of rain during 3.2 hours. There was 2.5 hours of sunshine (15%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
January 3 » The International Covenant on Economic, Social and Cultural Rights, adopted by the United Nations General Assembly, comes into force.
January 4 » The Troubles: The Ulster Volunteer Force shoots dead six Irish Catholic civilians in County Armagh, Northern Ireland. The next day, gunmen would shoot dead ten Protestant civilians nearby in retaliation.
May 6 » The 6.5 Mw Friuli earthquake affected Northern Italy with a maximum Mercalli intensity of X (Extreme), leaving 900–978 dead and 1,700–2,400 injured.
June 27 » Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PLO and redirected to Entebbe, Uganda.
September 21 » Orlando Letelier is assassinated in Washington, D.C. He had been a member of the former Chilean Marxist government.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I6084.php : accessed October 7, 2026), "Jenneke VERLOOP (1895-1976)".
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