The temperature on May 15, 1908 was between 9.6 °C and 16.8 °C and averaged 12.7 °C. There was 10.5 mm of rain. There was 8.3 hours of sunshine (53%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
January 13 » The Rhoads Opera House fire in Boyertown, Pennsylvania kills 171 people.
January 21 » New York City passes the Sullivan Ordinance, making it illegal for women to smoke in public, only to have the measure vetoed by the mayor.
April 1 » The Territorial Force (renamed Territorial Army in 1920) is formed as a volunteer reserve component of the British Army.
May 26 » The first major commercial oil strike in the Middle East was made at Masjed Soleyman in southwest Persia. The rights to the resource were quickly acquired by the Anglo-Persian Oil Company.
October 13 » Margaret Travers Symons bursts into the UK parliament and became the first woman to speak there.
November 7 » Butch Cassidy and the Sundance Kid are reportedly killed in San Vicente Canton, Bolivia.
Day of marriage May 29, 1935
The temperature on May 29, 1935 was between 10.8 °C and 22.3 °C and averaged 14.9 °C. There was 15.9 mm of rain during 2.6 hours. There was 2.2 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 2 » Leonarde Keeler administers polygraph tests to two murder suspects, the first time polygraph evidence was admitted in U.S. courts.
June 10 » Dr. Robert Smith takes his last drink, and Alcoholics Anonymous is founded in Akron, Ohio, United States, by him and Bill Wilson.
June 11 » Inventor Edwin Armstrong gives the first public demonstration of FM broadcasting in the United States at Alpine, New Jersey.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
July 24 » The Dust Bowl heat wave reaches its peak, sending temperatures to 109°F (43°C) in Chicago and 104°F (40°C) in Milwaukee.
December 17 » First flight of the Douglas DC-3.
Day of death March 17, 1970
The temperature on March 17, 1970 was between 4.1 °C and 7.8 °C and averaged 6.4 °C. There was 2.7 mm of rain during 3.8 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 15 » Nigerian Civil War: Biafran rebels surrender following an unsuccessful 32-month fight for independence from Nigeria.
April 10 » Paul McCartney announces that he is leaving The Beatles for personal and professional reasons.
May 14 » Andreas Baader is freed from custody by Ulrike Meinhof, Gudrun Ensslin and others, a pivotal moment in the formation of the Red Army Faction.
August 23 » Organized by Mexican American labor union leader César Chávez, the Salad Bowl strike, the largest farm worker strike in U.S. history, begins.
August 24 » Vietnam War protesters bomb Sterling Hall at the University of Wisconsin–Madison, leading to an international manhunt for the perpetrators.
September 4 » Salvador Allende is elected President of Chile.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I619.php : accessed January 29, 2026), "Dirk Opgelder (1908-1970)".
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