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.
June 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage August 16, 1919
The temperature on August 16, 1919 was between 8.9 °C and 25.6 °C and averaged 17.8 °C. There was 11.4 hours of sunshine (78%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
January 16 » Nebraska becomes the 36th state to approve the Eighteenth Amendment to the United States Constitution. With the necessary three-quarters of the states approving the amendment, Prohibition is constitutionally mandated in the United States one year later.
February 5 » Charlie Chaplin, Mary Pickford, Douglas Fairbanks, and D. W. Griffith launch United Artists.
September 18 » Fritz Pollard becomes the first African American to play professional football for a major team, the Akron Pros.
October 7 » KLM, the flag carrier of the Netherlands, is founded. It is the oldest airline still operating under its original name.
October 9 » The Cincinnati Reds win the World Series, resulting in the Black Sox Scandal.
November 11 » The Industrial Workers of the World attack an Armistice Day parade in Centralia, Washington, ultimately resulting in the deaths of five people.
Day of death May 16, 1971
The temperature on May 16, 1971 was between 11.4 °C and 18.2 °C and averaged 13.9 °C. There was 16.9 mm of rain during 5.4 hours. There was 2.2 hours of sunshine (14%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 2 » The second Ibrox disaster kills 66 fans at a Rangers-Celtic association football (soccer) match.
May 27 » Pakistani forces massacre over 200 civilians, mostly Bengali Hindus, in the Bagbati massacre.
August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
October 12 » The 2,500 year celebration of the Persian Empire begins.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
December 4 » The PNS Ghazi, a submarine belonging to the Pakistan Navy, sinks during the course of the Indo-Pakistani Naval War of 1971.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I12803.php : accessed March 4, 2026), "Willem Jasper (1898-1971)".
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