February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage May 9, 1921
The temperature on May 9, 1921 was between 6.2 °C and 18.5 °C and averaged 11.2 °C. There was 1.9 mm of rain. There was 6.8 hours of sunshine (44%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
Day of death August 2, 1966
The temperature on August 2, 1966 was between 11.9 °C and 19.2 °C and averaged 15.3 °C. There was 1.4 mm of rain during 0.6 hours. There was 9.8 hours of sunshine (63%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 26 » A new government is formed in the Republic of the Congo, led by Ambroise Noumazalaye.
May 16 » The Communist Party of China issues the "May 16 Notice", marking the beginning of the Cultural Revolution.
June 13 » The United States Supreme Court rules in Miranda v. Arizona that the police must inform suspects of their rights before questioning them.
August 29 » The Beatles perform their last concert before paying fans at Candlestick Park in San Francisco.
September 12 » Gemini 11, the penultimate mission of NASA's Gemini program, and the current human altitude record holder (except for the Apollo lunar missions).
December 27 » The Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I266686.php : accessed March 12, 2026), "Antonius Cornelis Oomen (1897-1966)".
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