January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
November 7 » The People's Party is founded in Cuba.
Day of death April 13, 1981
The temperature on April 13, 1981 was between 4.2 °C and 14.8 °C and averaged 9.8 °C. There was 2.9 hours of sunshine (21%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 2 » One of the largest investigations by a British police force ends when serial killer Peter Sutcliffe, the "Yorkshire Ripper", is arrested in Sheffield, South Yorkshire.
March 26 » Social Democratic Party (UK) is founded as a party.
April 3 » The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco.
June 16 » US President Ronald Reagan awards the Congressional Gold Medal to Ken Taylor, Canada's former ambassador to Iran, for helping six Americans escape from Iran during the hostage crisis of 1979–81; he is the first foreign citizen bestowed the honor.
October 14 » Vice President Hosni Mubarak is elected as the President of Egypt, one week after the assassination of Anwar Sadat.
November 25 » Pope John Paul II appoints Joseph Cardinal Ratzinger (the future Pope Benedict XVI) Prefect of the Congregation for the Doctrine of the Faith.
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/I77546.php : accessed September 30, 2026), "Sipke van der Wal (1900-1981)".
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