April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
June 17 » The United States Navy Hospital Corps is established.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
July 3 » A Spanish squadron, led by Pascual Cervera y Topete, is defeated by an American squadron under William T. Sampson in the Battle of Santiago de Cuba.
Day of marriage December 19, 1919
The temperature on December 19, 1919 was between 3.6 °C and 6.7 °C and averaged 5.1 °C. There was 3.9 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 6 Bft (strong wind) and was prevailing from the northwest. 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.
February 17 » The Ukrainian People's Republic asks Entente and the US for help fighting the Bolsheviks.
March 1 » March 1st Movement begins in Korea under Japanese rule.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
October 2 » U.S. President Woodrow Wilson suffers a massive stroke, leaving him incapacitated for several weeks.
November 11 » The Industrial Workers of the World attack an Armistice Day parade in Centralia, Washington, ultimately resulting in the deaths of five people.
December 3 » After nearly 20 years of planning and construction, including two collapses causing 89 deaths, the Quebec Bridge opens to traffic.
Day of death December 1, 1988
The temperature on December 1, 1988 was between -0.9 °C and 4.6 °C and averaged 0.3 °C. There was 2.7 mm of rain during 7.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 27 » Sumgait pogrom: The Armenian community in Sumgait, Azerbaijan is targeted in a violent pogrom.
March 25 » The Candle demonstration in Bratislava is the first mass demonstration of the 1980s against the communist regime in Czechoslovakia.
June 4 » Three cars on a train carrying hexogen to Kazakhstan explode in Arzamas, Gorky Oblast, USSR, killing 91 and injuring about 1,500.
July 3 » The Fatih Sultan Mehmet Bridge in Istanbul, Turkey is completed, providing the second connection between the continents of Europe and Asia over the Bosphorus.
December 12 » The Clapham Junction rail crash kills thirty-five and injures hundreds after two collisions of three commuter trains—one of the worst train crashes in the United Kingdom.
December 21 » The first flight of Antonov An-225 Mriya, the largest aircraft in the world.
When copying data from this family tree, please include a reference to the origin: Janet Westerhof, "Family tree Westerhof", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerhof/R48.php : accessed February 24, 2026), "Jan Oppers (1898-1988)".
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