The temperature on April 17, 1893 was about 5.9 °C. There was 0.4 mm of rain. The airpressure was 77 cm mercury. The atmospheric humidity was 63%. Source: KNMI
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.
January 13 » The Independent Labour Party of the United Kingdom holds its first meeting.
March 1 » Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
April 6 » Salt Lake Temple of The Church of Jesus Christ of Latter-day Saints is dedicated by Wilford Woodruff.
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.
September 19 » In New Zealand, the Electoral Act of 1893 is consented to by the governor, giving all women in New Zealand the right to vote.
September 20 » Charles Duryea and his brother road-test the first American-made gasoline-powered automobile.
Day of death April 30, 1981
The temperature on April 30, 1981 was between 7.6 °C and 10.3 °C and averaged 9.5 °C. There was 7.5 mm of rain during 16.4 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 28 » Ronald Reagan lifts remaining domestic petroleum price and allocation controls in the United States helping to end the 1979 energy crisis and begin the 1980s oil glut.
February 8 » Twenty-one association football spectators are trampled to death at Karaiskakis Stadium in Neo Faliro, Greece, after a football match between Olympiacos F.C. and AEK Athens F.C.
March 11 » Hundreds of students protest in the University of Pristina in Kosovo, then part of Yugoslavia, to give their province more political rights. The protests then became a nationwide movement.
October 22 » The United States Federal Labor Relations Authority votes to decertify the Professional Air Traffic Controllers Organization (PATCO) for its strike the previous August.
November 30 » Cold War: In Geneva, representatives from the United States and the Soviet Union begin to negotiate intermediate-range nuclear weapon reductions in Europe. (The meetings end inconclusively on December 17.)
December 31 » A coup d'état in Ghana removes President Hilla Limann's PNP government and replaces it with the Provisional National Defence Council led by Flight lieutenant Jerry Rawlings.
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/I14077.php : accessed February 24, 2026), "Jantje Groelfsema (1893-1981)".
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