The temperature on June 16, 1911 was between 4.2 °C and 19.1 °C and averaged 13.0 °C. There was 9.4 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
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.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
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 marriage March 30, 1935
The temperature on March 30, 1935 was between -1.1 °C and 9.2 °C and averaged 4.1 °C. There was 2.1 mm of rain during 2.4 hours. There was 3.3 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
May 6 » New Deal: Under the authority of the newly-enacted Federal Emergency Relief Administration, President Franklin D. Roosevelt issues Executive Order 7034 to create the Works Progress Administration.
September 15 » The Nuremberg Laws deprive German Jews of citizenship.
November 9 » The Congress of Industrial Organizations is founded in Atlantic City, New Jersey, by eight trade unions belonging to the American Federation of Labor.
November 24 » The Senegalese Socialist Party holds its second congress.
December 9 » Walter Liggett, American newspaper editor and muckraker, is killed in a gangland murder.
December 18 » The Lanka Sama Samaja Party is founded in Ceylon.
Day of death May 15, 1979
The temperature on May 15, 1979 was between 10.2 °C and 26.3 °C and averaged 19.3 °C. There was 13.5 hours of sunshine (86%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 25 » The first fully functional Space Shuttle orbiter, Columbia, is delivered to the John F. Kennedy Space Center to be prepared for its first launch.
June 18 » SALT II is signed by the United States and the Soviet Union.
July 25 » In accord with the Egypt–Israel Peace Treaty, Israel begins its withdrawal from the Sinai Peninsula.
October 27 » Saint Vincent and the Grenadines gains its independence from the United Kingdom.
November 9 » Cold War: Nuclear false alarm: The NORAD computers and the Alternate National Military Command Center in Fort Ritchie, Maryland detected purported massive Soviet nuclear strike. After reviewing the raw data from satellites and checking the early-warning radars, the alert is cancelled.
When copying data from this family tree, please include a reference to the origin: H. J. Otten, "Otten family tree", database, Genealogy Online (https://www.genealogieonline.nl/otten-stamboom/I118.php : accessed February 21, 2026), "Jan Harmers (1911-1979)".
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