The temperature on June 12, 1911 was between 1.8 °C and 17.8 °C and averaged 11.5 °C. There was 10.7 hours of sunshine (64%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
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 23 » The New York Public Library is dedicated.
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.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
Day of marriage October 31, 1931
The temperature on October 31, 1931 was between 0.4 °C and 9.1 °C and averaged 5.2 °C. There was 0.8 mm of rain during 0.4 hours. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 21 » Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.
February 3 » The Hawke's Bay earthquake, New Zealand's worst natural disaster, kills 258.
March 31 » A Transcontinental & Western Air airliner crashes near Bazaar, Kansas, killing eight, including University of Notre Dame head football coach Knute Rockne.
May 1 » The Empire State Building is dedicated in New York City.
May 14 » Five unarmed civilians are killed in the Ådalen shootings, as the Swedish military is called in to deal with protesting workers.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I56593.php : accessed February 3, 2026), "Jan de Roo (1911-)".
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