February 4 » The Philippine–American War begins with the Battle of Manila.
February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
March 6 » Bayer registers "Aspirin" as a trademark.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
June 7 » American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
Day of death July 26, 1981
The temperature on July 26, 1981 was between 8.0 °C and 18.0 °C and averaged 14.7 °C. There was 0.1 mm of rain during 0.3 hours. There was 1.6 hours of sunshine (10%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
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.
April 12 » The first launch of a Space Shuttle (Columbia) takes place: The STS-1 mission.
May 24 » Ecuadorian president Jaime Roldós Aguilera, his wife, and his presidential committee die in an aircraft accident while travelling from Quito to Zapotillo minutes after the president gave a famous speech regarding the 24 de mayo anniversary of the Battle of Pichincha.
May 26 » Italian Prime Minister Arnaldo Forlani and his coalition cabinet resign following a scandal over membership of the pseudo-masonic lodge P2 (Propaganda Due).
November 1 » Antigua and Barbuda gains independence from the United Kingdom.
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/I144330.php : accessed February 14, 2026), "Pieter de Boer (1899-1981)".
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