The temperature on November 11, 1911 was between 2.2 °C and 7.9 °C and averaged 4.9 °C. There was 1.3 mm of rain. There was 2.9 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 23 » The New York Public Library is dedicated.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage June 14, 1952
The temperature on June 14, 1952 was between 13.7 °C and 19.2 °C and averaged 15.8 °C. There was 0.2 mm of rain during 0.5 hours. There was 0.5 hours of sunshine (3%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 26 » Black Saturday in Egypt: rioters burn Cairo's central business district, targeting British and upper-class Egyptian businesses.
March 21 » Alan Freed presents the Moondog Coronation Ball, the first rock and roll concert, in Cleveland, Ohio.
April 28 » The Treaty of San Francisco comes into effect, restoring Japanese sovereignty and ending its state of war with most of the Allies of World War II.
July 19 » Opening of the Summer Olympics in Helsinki, Finland.
August 15 » A flash flood drenches the town of Lynmouth, England, killing 34 people.
November 1 » Nuclear weapons testing: The United States successfully detonates Ivy Mike, the first thermonuclear device, at the Eniwetok atoll. The explosion had a yield of ten megatons TNT equivalent.
When copying data from this family tree, please include a reference to the origin: Joost van Hamont, "Family tree Van Hamont (Nuenen, Waalre, Valkenswaard)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-hamont/I167.php : accessed January 13, 2026), "Joannes Henricus van Hamond (1911-)".
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