February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
Day of marriage April 15, 1920
The temperature on April 15, 1920 was between 8.6 °C and 18.0 °C and averaged 12.6 °C. There was 0.7 mm of rain. There was 4.2 hours of sunshine (30%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. 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.
January 7 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
January 28 » Foundation of the Spanish Legion.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
Day of death March 24, 1972
The temperature on March 24, 1972 was between 0.8 °C and 10.5 °C and averaged 5.6 °C. There was 9.9 hours of sunshine (80%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 11 » East Pakistan renames itself Bangladesh.
March 22 » The United States Congress sends the Equal Rights Amendment to the states for ratification.
May 4 » The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation".
September 4 » Mark Spitz becomes the first competitor to win seven medals at a single Olympic Games.
November 7 » US President Richard Nixon is re-elected President.
December 23 » The 16 survivors of the Andes flight disaster are rescued after 73 days, surviving by cannibalism.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I4977.php : accessed February 16, 2026), "Tammo Kiewiet (1897-1972)".
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