The temperature on April 17, 1912 was between 1.7 °C and 15.3 °C and averaged 9.6 °C. There was 11.8 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
April 15 » The British passenger liner RMSTitanic sinks in the North Atlantic at 2:20a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,227 passengers and crew on board survive.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
Day of marriage May 31, 1935
The temperature on May 31, 1935 was between 7.7 °C and 12.9 °C and averaged 10.2 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
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.
May 14 » The Constitution of the Philippines is ratified by a popular vote.
November 22 » The China Clipper inaugurates the first commercial transpacific air service, connecting Alameda, California with Manila.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
December 12 » Lebensborn Project, a Nazi reproduction program, is founded by Heinrich Himmler.
Day of death October 1, 1965
The temperature on October 1, 1965 was between 8.3 °C and 18.2 °C and averaged 13.9 °C. There was 0.7 mm of rain during 0.5 hours. There was 7.5 hours of sunshine (64%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
June 9 » Vietnam War: The Viet Cong commences combat with the Army of the Republic of Vietnam in the Battle of Đồng Xoài, one of the largest battles in the war.
July 25 » Bob Dylan goes electric at the Newport Folk Festival, signaling a major change in folk and rock music.
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.
December 4 » Launch of Gemini 7 with crew members Frank Borman and Jim Lovell. The Gemini 7 spacecraft was the passive target for the first crewed space rendezvous performed by the crew of Gemini 6A.
December 15 » Project Gemini: Gemini 6A, crewed by Wally Schirra and Thomas Stafford, is launched from Cape Kennedy, Florida. Four orbits later, it achieves the first space rendezvous, with Gemini 7.
December 22 » In the United Kingdom, a 70mph speed limit is applied to all rural roads including motorways for the first time.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I21791.php : accessed February 24, 2026), "Hiltje van der Ploeg (1912-1965)".
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