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.
February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
Day of marriage May 21, 1931
The temperature on May 21, 1931 was between 7.4 °C and 18.3 °C and averaged 12.8 °C. There was 1.0 mm of rain during 0.6 hours. There was 8.7 hours of sunshine (55%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 3 » The Hawke's Bay earthquake, New Zealand's worst natural disaster, kills 258.
February 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 5 » The British Raj: Gandhi–Irwin Pact is signed.
May 1 » The Empire State Building is dedicated in New York City.
May 14 » Five unarmed civilians are killed in the Ådalen shootings, as the Swedish military is called in to deal with protesting workers.
October 1 » The George Washington Bridge in the United States, linking New Jersey and New York, is opened.
Day of death June 21, 1958
The temperature on June 21, 1958 was between 11.9 °C and 14.2 °C and averaged 13.0 °C. There was 14.2 mm of rain during 9.1 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 3 » Founding of the Benelux Economic Union, creating a testing ground for a later European Economic Community.
May 13 » During a visit to Caracas, Venezuela, Vice President Richard Nixon's car is attacked by anti-American demonstrators.
October 7 » The 1958 Pakistani coup d'état inaugurates a prolonged period of military rule.
November 28 » Chad, the Republic of the Congo, and Gabon become autonomous republics within the French Community.
December 1 » The Central African Republic attains self-rule within the French Union.
December 5 » Subscriber Trunk Dialling (STD) is inaugurated in the United Kingdom by Queen Elizabeth II when she speaks to the Lord Provost in a call from Bristol to Edinburgh.
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/I92947.php : accessed October 10, 2026), "Fokeltje de Boer (1900-1958)".
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