February 4 » The Philippine–American War begins with the Battle of Manila.
February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
July 29 » The First Hague Convention is signed.
September 23 » The American Asiatic Squadron destroys a Filipino battery at the Battle of Olongapo.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Christening day April 12, 1900
The temperature on April 12, 1900 was about 7.8 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 90%. Source: KNMI
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.
January 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
Day of marriage December 29, 1936
The temperature on December 29, 1936 was between 0.2 °C and 6.9 °C and averaged 3.9 °C. There was 0.2 mm of rain during 0.3 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 5 » First flight of K5054, the first prototype Supermarine Spitfire advanced monoplane fighter aircraft in the United Kingdom.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
July 26 » Spanish Civil War: Germany and Italy decide to intervene in the war in support for Francisco Franco and the Nationalist faction.
December 10 » Abdication Crisis: Edward VIII signs the Instrument of Abdication.
December 23 » Spanish Civil War: The Spanish Republic legalizes the Regional Defence Council of Aragon.
Day of death April 10, 1971
The temperature on April 10, 1971 was between 3.8 °C and 12.3 °C and averaged 7.1 °C. There was 10.1 hours of sunshine (75%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 3 » New York Police Officer Frank Serpico is shot during a drug bust in Brooklyn and survives to later testify against police corruption.
April 17 » The Provisional Government of Bangladesh is formed.
June 7 » The United States Supreme Court overturns the conviction of Paul Cohen for disturbing the peace, setting the precedent that vulgar writing is protected under the First Amendment to the United States Constitution.
July 31 » Apollo program: Apollo 15 astronauts become the first to ride in a lunar rover.
October 27 » The Democratic Republic of the Congo is renamed Zaire.
November 18 » Oman declares its independence from United Kingdom.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I506661.php : accessed February 17, 2026), "Johan Angell Persen Angell Smalås Vittusen Olsen (1899-1971)".
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