April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
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 21 » The United States captures Guam from Spain. The few warning shots fired by the U.S. naval vessels are misinterpreted as salutes by the Spanish garrison, which was unaware that the two nations were at war.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
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.
March 23 » In Milan, Italy, Benito Mussolini founds his Fascist political movement.
May 8 » Edward George Honey proposes the idea of a moment of silence to commemorate the Armistice of 11 November 1918 which ended World War I.
June 15 » John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
October 17 » RCA is incorporated as the Radio Corporation of America.
November 28 » Lady Astor is elected as a Member of the Parliament of the United Kingdom. She is the first woman to sit in the House of Commons. (Countess Markievicz, the first to be elected, refused to sit.)
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 1 » The Federation of Rhodesia and Nyasaland is divided into the independent republics of Zambia and Malawi, and the British-controlled Rhodesia.
February 17 » In Wesberry v. Sanders the Supreme Court of the United States rules that congressional districts have to be approximately equal in population.
March 6 » Constantine II becomes King of Greece.
March 6 » Nation of Islam leader Elijah Muhammad officially gives boxing champion Cassius Clay the name Muhammad Ali.
March 19 » Over 500,000 Brazilians attend the March of the Family with God for Liberty, in protest against the government of João Goulart and against communism.
July 6 » Malawi declares its independence from the United Kingdom.
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 20, 2026), "Roelof Boersma (1898-1964)".
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