January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
Day of marriage April 30, 1921
The temperature on April 30, 1921 was between 6.8 °C and 20.2 °C and averaged 13.7 °C. There was 12.0 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
March 15 » Talaat Pasha, former Grand Vizir of the Ottoman Empire and chief architect of the Armenian Genocide is assassinated in Berlin by a 23-year-old Armenian, Soghomon Tehlirian.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
Day of death May 20, 1962
The temperature on May 20, 1962 was between 6.7 °C and 14.7 °C and averaged 10.2 °C. There was 0.3 mm of rain during 0.5 hours. There was 8.7 hours of sunshine (55%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 10 » Apollo program: NASA announces plans to build the C-5 rocket launch vehicle, which became known as the Saturn V Moon rocket, which launched every Apollo Moon mission.
January 11 » Cold War: While tied to its pier in Polyarny, the Soviet submarine B-37 is destroyed when fire breaks out in its torpedo compartment.
March 2 » In Burma, the army led by General Ne Win seizes power in a coup d'état.
March 19 » The Algerian War of Independence ends.
July 11 » Project Apollo: At a press conference, NASA announces lunar orbit rendezvous as the means to land astronauts on the Moon, and return them to Earth.
October 25 » Cuban Missile Crisis: Adlai Stevenson shows the United Nations Security Council reconnaissance photographs of Soviet ballistic missiles in Cuba.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I357131.php : accessed February 3, 2026), "Ieke de Vries (1900-1962)".
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