The temperature on June 19, 1911 was between 11.2 °C and 21.8 °C and averaged 15.5 °C. There was 14.5 mm of rain. There was 8.5 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
Day of death March 30, 1955
The temperature on March 30, 1955 was between -1.6 °C and 4.8 °C and averaged 1.4 °C. There was 11.7 hours of sunshine (91%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 18 » Operation Teapot: Teapot test shot "Wasp" is successfully detonated at the Nevada Test Site with a yield of 1.2 kilotons. Wasp is the first of fourteen shots in the Teapot series.
May 14 » Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact.
June 2 » The USSR and Yugoslavia sign the Belgrade declaration and thus normalize relations between both countries, discontinued since 1948.
June 11 » Eighty-three spectators are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide at the 24 Hours of Le Mans, the deadliest ever accident in motorsports.
June 26 » The South African Congress Alliance adopts the Freedom Charter at the Congress of the People in Kliptown.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I92010.php : accessed February 16, 2026), "Christianus Jacoba Antonius Mommers (1911-1955)".
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