January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
Day of marriage May 10, 1920
The temperature on May 10, 1920 was between -1.5 °C and 15.9 °C and averaged 8.3 °C. There was 9.8 hours of sunshine (64%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
April 15 » Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
October 30 » The Communist Party of Australia is founded in Sydney.
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
Day of death March 4, 1954
The temperature on March 4, 1954 was between 1.0 °C and 6.7 °C and averaged 3.9 °C. There was 1.1 mm of rain during 1.6 hours. There was 0.9 hours of sunshine (8%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
February 10 » U.S. President Dwight D. Eisenhower warns against United States intervention in Vietnam.
June 12 » Pope Pius XII canonises Dominic Savio, who was 14 years old at the time of his death, as a saint, making him at the time the youngest unmartyred saint in the Roman Catholic Church. In 2017, Francisco and Jacinta Marto, aged ten and nine at the time of their deaths, are declared saints.
June 14 » U.S. President Dwight D. Eisenhower signs a bill into law that places the words "under God" into the United States Pledge of Allegiance.
July 20 » Germany: Otto John, head of West Germany's secret service, defects to East Germany.
September 29 » The convention establishing CERN (the European Organization for Nuclear Research) is signed.
November 22 » The Humane Society of the United States is founded.
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I1224.php : accessed December 31, 2025), "Cornelia Louisa Clement (1900-1954)".
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