In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
February 1 » Thomas A. Edison finishes construction of the first motion picture studio, the Black Maria in West Orange, New Jersey.
March 1 » Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
April 1 » The rank of Chief Petty Officer in the United States Navy is established.
June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
August 15 » Ibadan area becomes a British Protectorate after a treaty signed by Fijabi, the Baale of Ibadan with the British acting Governor of Lagos, George C. Denton.
September 20 » Charles Duryea and his brother road-test the first American-made gasoline-powered automobile.
Day of marriage June 12, 1919
The temperature on June 12, 1919 was between 10.6 °C and 31.3 °C and averaged 18.6 °C. There was 9.8 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
April 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
June 4 » Women's rights: The U.S. Congress approves the 19th Amendment to the United States Constitution, which guarantees suffrage to women, and sends it to the U.S. states for ratification.
June 15 » John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
September 22 » The steel strike of 1919, led by the Amalgamated Association of Iron and Steel Workers, begins in Pennsylvania before spreading across the United States.
Day of death June 9, 1974
The temperature on June 9, 1974 was between 6.5 °C and 15.5 °C and averaged 10.6 °C. There was 8.1 mm of rain during 1.6 hours. There was 9.6 hours of sunshine (58%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
May 1 » The Argentine terrorist organization Montoneros is expelled from Plaza de Mayo by president Juan Perón.
May 17 » The Troubles: Thirty-three civilians are killed and 300 injured when the Ulster Volunteer Force (UVF) detonates four car bombs in Dublin and Monaghan, Republic of Ireland.
June 26 » The Universal Product Code is scanned for the first time to sell a package of Wrigley's chewing gum at the Marsh Supermarket in Troy, Ohio.
July 23 » The Greek military junta collapses, and former Prime Minister Konstantinos Karamanlis is invited to lead the new government, beginning Greece's metapolitefsi era.
August 9 » As a direct result of the Watergate scandal, Richard Nixon becomes the first President of the United States to resign from office. His Vice President, Gerald Ford, becomes president.
August 15 » Yuk Young-soo, First Lady of South Korea, is killed during an apparent assassination attempt upon President Park Chung-hee.
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/I17567.php : accessed February 15, 2026), "Neeltje Kamp (1893-1974)".
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