April 25 » Spanish–American War: The United States declares war on Spain.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
August 24 » Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of marriage June 9, 1927
The temperature on June 9, 1927 was between 3.6 °C and 16.4 °C and averaged 11.2 °C. There was 0.3 mm of rain. There was 10.7 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
April 19 » Mae West is sentenced to ten days in jail for obscenity for her play Sex.
May 18 » The Bath School disaster: Forty-five people, including many children, are killed by bombs planted by a disgruntled school-board member in Michigan.
August 16 » The Dole Air Race begins from Oakland, California, to Honolulu, Hawaii, during which six out of the eight participating planes crash or disappear.
September 7 » The first fully electronic television system is achieved by Philo Farnsworth.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
Day of death February 26, 1958
The temperature on February 26, 1958 was between -6.6 °C and 0.2 °C and averaged -1.6 °C. There was 0.9 mm of rain during 1.1 hours. There was 3.8 hours of sunshine (36%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the north. Source: KNMI
January 1 » European Economic Community is established.
January 28 » The Lego company patents the design of its Lego bricks, still compatible with bricks produced today.
February 21 » The CND symbol, aka peace symbol, commissioned by the Direct Action Committee in protest against the Atomic Weapons Research Establishment, is designed and completed by Gerald Holtom.
February 28 » A school bus in Floyd County, Kentucky hits a wrecker truck and plunges down an embankment into the rain-swollen Levisa Fork river. The driver and 26 children die in what remains one of the worst school bus accidents in U.S. history.
October 11 » NASA launches Pioneer 1, its first space probe, although it fails to achieve a stable orbit.
December 9 » The John Birch Society is founded in the United States.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I72389.php : accessed February 22, 2026), "Daniel Kop (1898-1958)".
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