May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
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.
June 27 » The first solo circumnavigation of the globe is completed by Joshua Slocum from Briar Island, Nova Scotia.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
August 29 » The Goodyear tire company is founded.
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.
January 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
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.
August 8 » The Anglo-Afghan Treaty of 1919 is signed. It establishes peaceful relations between Afghanistan and the UK, and confirms the Durand line as the mutual border. In return, the UK is no longer obligated to subsidize the Afghan government.
September 11 » United States Marine Corps invades Honduras.
October 28 » The U.S. Congress passes the Volstead Act over President Wilson's veto, paving the way for Prohibition to begin the following January.
December 17 » Uruguay becomes a signatory to the Buenos Aires copyright treaty.
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
February 9 » The Beatles make their first appearance on The Ed Sullivan Show, performing before a "record-busting" audience of 73 million viewers across the USA.
August 4 » Civil rights movement: Civil rights workers Michael Schwerner, Andrew Goodman and James Chaney are found dead in Mississippi after disappearing on June 21.
August 27 » South Vietnamese junta leader Nguyễn Khánh enters into a triumvirate power-sharing arrangement with rival generals Trần Thiện Khiêm and Dương Văn Minh, who had both been involved in plots to unseat Khánh.
September 13 » South Vietnamese Generals Lâm Văn Phát and Dương Văn Đức fail in a coup attempt against General Nguyễn Khánh.
November 28 » Mariner program: NASA launches the Mariner 4 probe toward Mars.
December 5 » Lloyd J. Old discovered the first linkage between the major histocompatibility complex (MHC) and disease—mouse leukemia—opening the way for the recognition of the importance of the MHC in the immune response.
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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