The temperature on November 20, 1912 was between 4.9 °C and 9.6 °C and averaged 6.6 °C. There was 13.6 mm of rain. There was 1.4 hours of sunshine (16%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. Source: KNMI
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
May 18 » The first Indian film, Shree Pundalik by Dadasaheb Torne, is released in Mumbai.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of marriage September 23, 1937
The temperature on September 23, 1937 was between 4.1 °C and 18.3 °C and averaged 11.0 °C. There was 10.1 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 18 » The New London School explosion in New London, Texas, kills 300 people, mostly children.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
April 1 » Aden becomes a British crown colony.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
June 14 » U.S. House of Representatives passes the Marihuana Tax Act.
November 1 » Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community.
Day of death April 10, 1974
The temperature on April 10, 1974 was between 3.6 °C and 22.2 °C and averaged 12.8 °C. There was 11.6 hours of sunshine (86%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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 19 » China gains control over all the Paracel Islands after a military engagement between the naval forces of China and South Vietnam
March 4 » People magazine is published for the first time in the United States as People Weekly.
July 30 » Watergate scandal: U.S. President Richard Nixon releases subpoenaed White House recordings after being ordered to do so by the Supreme Court of the United States.
August 9 » As a direct result of the Watergate scandal, Richard Nixon becomes the first President of the United States to resign from office. His Vice President, Gerald Ford, becomes president.
October 30 » The Rumble in the Jungle boxing match between Muhammad Ali and George Foreman takes place in Zaire.
November 23 » Sixty Ethiopian politicians, aristocrats, military officers, and other persons are executed by the provisional military government.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I2116.php : accessed February 18, 2026), "Johanna Wilhelmina de Roo (1912-1974)".
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