April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
July 9 » William Jennings Bryan delivers his Cross of Gold speech advocating bimetallism at the 1896 Democratic National Convention in Chicago.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of marriage May 19, 1920
The temperature on May 19, 1920 was between 8.1 °C and 15.3 °C and averaged 11.5 °C. There was 4.1 hours of sunshine (26%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 7 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
Day of death June 6, 1964
The temperature on June 6, 1964 was between 8.5 °C and 23.1 °C and averaged 17.0 °C. There was 0.1 mm of rain. There was 13.6 hours of sunshine (82%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 25 » Blue Ribbon Sports, which would later become Nike, is founded by University of Oregon track and field athletes.
February 17 » In Wesberry v. Sanders the Supreme Court of the United States rules that congressional districts have to be approximately equal in population.
April 26 » Tanganyika and Zanzibar merge to form Tanzania.
May 9 » Ngô Đình Cẩn, de facto ruler of central Vietnam under his brother President Ngô Đình Diệm before the family's toppling, is executed.
September 21 » The North American XB-70 Valkyrie, the world's fastest bomber, makes its maiden flight from Palmdale, California.
December 11 » Che Guevara speaks at the United Nations General Assembly in New York City.
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/I199691.php : accessed October 25, 2026), "Jan Daniël Roemers (1896-1964)".
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