January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
October 29 » In Amherst, Massachusetts, nurse Jane Toppan is arrested for murdering the Davis family of Boston with an overdose of morphine.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death June 30, 1981
The temperature on June 30, 1981 was between 8.6 °C and 15.1 °C and averaged 13.1 °C. There was 1.3 mm of rain during 1.6 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 15 » Pope John Paul II receives a delegation from Solidarity (Polish trade union) at the Vatican led by Lech Wałęsa.
February 6 » The National Resistance Army of Uganda launches an attack on a Ugandan Army installation in the central Mubende District to begin the Ugandan Bush War.
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.
June 18 » The Lockheed F-117 Nighthawk, the first operational aircraft initially designed around stealth technology, makes its first flight.
October 21 » Andreas Papandreou becomes Prime Minister of Greece, ending an almost 50-year-long system of power dominated by conservative forces.
December 4 » South Africa grants independence to the Ciskei "homeland" (not recognized by any government outside South Africa).
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I135034.php : accessed December 29, 2025), "Sjoerd Meyer (1901-1981)".
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