The temperature on June 1, 1911 was between 12.8 °C and 23.6 °C and averaged 18.4 °C. There was 14.0 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
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.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of death May 16, 1971
The temperature on May 16, 1971 was between 11.4 °C and 18.2 °C and averaged 13.9 °C. There was 16.9 mm of rain during 5.4 hours. There was 2.2 hours of sunshine (14%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
May 31 » In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
June 7 » The United States Supreme Court overturns the conviction of Paul Cohen for disturbing the peace, setting the precedent that vulgar writing is protected under the First Amendment to the United States Constitution.
November 14 » Mariner 9 enters orbit around Mars.
November 28 » Wasfi al-Tal, Prime Minister of Jordan, is assassinated by the Black September unit of the Palestine Liberation Organization.
December 16 » Bangladesh Liberation War and Indo-Pakistani War of 1971: The ceasefire of the Pakistan Army brings an end to both conflicts. This is commemorated annually as Victory Day in Bangladesh, and as Vijay Diwas in India.
When copying data from this family tree, please include a reference to the origin: Aart Verhoef, "Family tree Verhoef", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verhoef/I960.php : accessed March 1, 2026), "Mensie Vanmiddelkoop (-1971)".
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