The temperature on April 5, 1911 was between -5.5 °C and 1.7 °C and averaged -2.2 °C. There was 7.7 hours of sunshine (58%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of death August 5, 1965
The temperature on August 5, 1965 was between 11.6 °C and 27.6 °C and averaged 19.0 °C. There was 11.9 hours of sunshine (78%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
February 12 » Malcolm X visits Smethwick in Birmingham following the racially-charged 1964 United Kingdom general election.
February 20 » Ranger 8 crashes into the Moon after a successful mission of photographing possible landing sites for the Apollo program astronauts.
March 15 » President Lyndon B. Johnson, responding to the Selma crisis, tells U.S. Congress "We shall overcome" while advocating the Voting Rights Act.
August 29 » The Gemini V spacecraft returns to Earth, landing in the Atlantic Ocean.
October 17 » The 1964–65 New York World's Fair closes after two years and more than 51 million attendees.
November 16 » Venera program: The Soviet Union launches the Venera 3 space probe toward Venus, which will be the first spacecraft to reach the surface of another planet.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I438717.php : accessed January 21, 2026), "Adrianus van Heerewaarden (1911-1965)".
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