April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
April 25 » Spanish–American War: The United States declares war on Spain.
May 8 » The first games of the Italian football league system are played.
July 4 » En route from New York to Le Havre, the SS La Bourgogne collides with another ship and sinks off the coast of Sable Island, with the loss of 549 lives.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
Day of marriage May 11, 1922
The temperature on May 11, 1922 was between 0.7 °C and 11.8 °C and averaged 6.5 °C. There was 3.4 hours of sunshine (22%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 11 » First use of insulin to treat diabetes in a human patient.
February 28 » The United Kingdom ends its protectorate over Egypt through a Unilateral Declaration of Independence.
May 19 » The Young Pioneer Organization of the Soviet Union is established.
June 30 » In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
September 27 » King Constantine I of Greece abdicates his throne in favor of his eldest son, George II.
December 6 » One year to the day after the signing of the Anglo-Irish Treaty, the Irish Free State comes into existence.
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