The temperature on December 14, 1911 was between 2.1 °C and 8.9 °C and averaged 5.1 °C. There was 1.6 mm of rain. There was 2.4 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
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.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
Day of death July 12, 1974
The temperature on July 12, 1974 was between 10.9 °C and 19.9 °C and averaged 15.3 °C. There was -0.1 mm of rain. There was 6.1 hours of sunshine (37%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
April 25 » Carnation Revolution: A leftist military coup in Portugal overthrows the authoritarian-conservative Estado Novo regime and establishes a democratic government.
May 1 » The Argentine terrorist organization Montoneros is expelled from Plaza de Mayo by president Juan Perón.
May 17 » Police in Los Angeles raid the Symbionese Liberation Army's headquarters, killing six members, including Camilla Hall.
May 28 » Northern Ireland's power-sharing Sunningdale Agreement collapses following a general strike by loyalists.
August 30 » A Belgrade–Dortmund express train derails at the main train station in Zagreb killing 153 passengers.
November 20 » The United States Department of Justice files its final anti-trust suit against AT&T Corporation. This suit later leads to the breakup of AT&T and its Bell System.
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/I207334.php : accessed February 16, 2026), "Petrus van Ravestijn (1911-1974)".
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