February 7 » Dreyfus affair: Émile Zola is brought to trial for libel for publishing J'Accuse…!.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
August 28 » Caleb Bradham's beverage "Brad's Drink" is renamed "Pepsi-Cola".
August 29 » The Goodyear tire company is founded.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
October 18 » The United States takes possession of Puerto Rico from Spain.
Day of marriage May 31, 1919
The temperature on May 31, 1919 was between 8.2 °C and 23.0 °C and averaged 15.4 °C. There was 12.9 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
April 10 » Mexican Revolution leader Emiliano Zapata is ambushed and shot dead by government forces in Morelos.
May 4 » May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
May 15 » The Winnipeg general strike begins. By 11:00, almost the whole working population of Winnipeg had walked off the job.
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
Day of death January 11, 1964
The temperature on January 11, 1964 was between -4.3 °C and -0.7 °C and averaged -3.0 °C. There was 0.2 mm of rain during 0.6 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 13 » In Manchester, New Hampshire, fourteen-year-old Pamela Mason is murdered. Edward Coolidge is tried and convicted of the crime, but the conviction is set aside by the landmark Fourth Amendment case Coolidge v. New Hampshire (1971).
May 2 » First ascent of Shishapangma, the fourteenth highest mountain in the world and the lowest of the Eight-thousanders.
May 5 » The Council of Europe declares May 5 as Europe Day.
July 2 » Civil rights movement: U.S. President Lyndon B. Johnson signs the Civil Rights Act of 1964 meant to prohibit segregation in public places.
July 6 » Malawi declares its independence from the United Kingdom.
September 13 » Martin Luther King Jr. addresses a crowd of 20,000 West Berliners on Sunday, in Waldbühne.
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/I75842.php : accessed October 13, 2026), "Roelof Boersma (1898-1964)".
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