January 1 » Nigeria becomes a British protectorate.
March 1 » The Australian Army is formed.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
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 September 11, 1981
The temperature on September 11, 1981 was between 11.2 °C and 20.0 °C and averaged 15.8 °C. There was 3.1 mm of rain during 1.4 hours. There was 2.2 hours of sunshine (17%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. 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.
April 3 » The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco.
June 13 » At the Trooping the Colour ceremony in London, a teenager, Marcus Sarjeant, fires six blank shots at Queen Elizabeth II.
July 27 » While landing at Chihuahua International Airport, Aeromexico Flight 230 overshoots the runway. Thirty-two of the 66 passengers and crew on board the DC-9 are killed.
September 15 » The Senate Judiciary Committee unanimously approves Sandra Day O'Connor to become the first female justice of the Supreme Court of the United States.
September 18 » The Assemblée Nationale votes to abolish capital punishment in France.
October 3 » The hunger strike at the Maze Prison in Northern Ireland ends after seven months and ten deaths.
When copying data from this family tree, please include a reference to the origin: F. van Dijk, "Family tree Van Dijk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_van_dijk/R17892.php : accessed February 26, 2026), "Anna Cornelia Gröllers (1901-1981)".
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