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 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
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.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
Day of marriage April 30, 1926
The temperature on April 30, 1926 was between 11.8 °C and 19.2 °C and averaged 14.8 °C. There was 0.2 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
June 14 » Brazil leaves the League of Nations.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
Day of death January 24, 1968
The temperature on January 24, 1968 was between 1.2 °C and 4.6 °C and averaged 3.1 °C. There was 1.9 mm of rain during 1.2 hours. There was 2.9 hours of sunshine (34%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 8 » American civil rights movement: The Orangeburg massacre: An attack on black students from South Carolina State University who are protesting racial segregation at the town's only bowling alley, leaves three or four dead in Orangeburg, South Carolina.
March 17 » As a result of nerve gas testing by the U.S. Army Chemical Corps in Skull Valley, Utah, over 6,000 sheep are found dead.
March 31 » American President Lyndon B. Johnson speaks to the nation of "Steps to Limit the War in Vietnam" in a television address. At the conclusion of his speech, he announces: "I shall not seek, and I will not accept, the nomination of my party for another term as your President."
April 23 » Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
April 29 » The controversial musical Hair, a product of the hippie counter-culture and sexual revolution of the 1960s, opens at the Biltmore Theatre on Broadway, with some of its songs becoming anthems of the anti-Vietnam War movement.
July 1 » The United States Central Intelligence Agency's Phoenix Program is officially established.
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/I212474.php : accessed October 9, 2026), "Pieter Berend Wiersum (1895-1968)".
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