The temperature on March 23, 1911 was between 3.0 °C and 9.9 °C and averaged 5.6 °C. There was 5.5 hours of sunshine (45%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
Day of marriage September 20, 1941
The temperature on September 20, 1941 was between 7.5 °C and 19.3 °C and averaged 13.5 °C. There was 10.5 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 17 » In Washington, D.C., the National Gallery of Art is officially opened by President Franklin D. Roosevelt.
March 29 » World War II: British Royal Navy and Royal Australian Navy forces defeat those of the Italian Regia Marina off the Peloponnesian coast of Greece in the Battle of Cape Matapan.
April 16 » World War II: The Italian-German Tarigo convoy is attacked and destroyed by British ships.
September 4 » World War II: A German submarine makes the first attack of the war against a United States warship, the USSGreer.
October 30 » Holocaust: Fifteen hundred Jews from Pidhaytsi are sent by Nazis to Bełżec extermination camp.
December 8 » World War II: U.S. President Franklin D. Roosevelt declares December 7 to be "a date which will live in infamy", after which the U.S. declares war on Japan.
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/I69078.php : accessed February 21, 2026), "Petrus Johannes Josephus Klerks (1911-)".
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