February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of marriage April 30, 1927
The temperature on April 30, 1927 was between 0.9 °C and 11.9 °C and averaged 6.2 °C. There was 9.1 hours of sunshine (61%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 11 » Louis B. Mayer, head of film studio Metro-Goldwyn-Mayer (MGM), announces the creation of the Academy of Motion Picture Arts and Sciences, at a banquet in Los Angeles, California.
April 27 » Carabineros de Chile (Chilean national police force and gendarmerie) are created.
August 7 » The Peace Bridge opens between Fort Erie, Ontario and Buffalo, New York.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
September 30 » Babe Ruth becomes the first baseball player to hit 60 home runs in a season.
November 21 » Columbine Mine massacre: Striking coal miners are allegedly attacked with machine guns by a detachment of state police dressed in civilian clothes.
Day of death September 20, 1980
The temperature on September 20, 1980 was between 16.0 °C and 25.0 °C and averaged 19.4 °C. There was 9.8 hours of sunshine (79%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 3 » The USSNautilus is decommissioned and stricken from the Naval Vessel Register.
March 21 » U.S. President Jimmy Carter announces a United States boycott of the 1980 Summer Olympics in Moscow to protest the Soviet–Afghan War.
March 24 » El Salvadorian Archbishop Óscar Romero is assassinated while celebrating Mass in San Salvador.
June 27 » The 'Ustica massacre': Itavia Flight 870 crashes in the sea while en route from Bologna to Palermo, Italy, killing all 81 on board.
July 19 » Opening of the Summer Olympics in Moscow.
August 26 » After John Birges plants a bomb at Harvey's Resort Hotel in Stateline, Nevada, in the United States, the FBI inadvertently detonates the bomb during its disarming.
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/I212060.php : accessed October 24, 2026), "Klaas Woltha (1899-1980)".
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