January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
March 31 » Malolos, capital of the First Philippine Republic, is captured by American forces.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
Day of marriage August 6, 1927
The temperature on August 6, 1927 was between 18.0 °C and 26.3 °C and averaged 20.7 °C. There was 14.2 mm of rain. There was 3.2 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
April 12 » Shanghai massacre of 1927: Chiang Kai-shek orders the Chinese Communist Party members executed in Shanghai, ending the First United Front.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
July 23 » The first station of the Indian Broadcasting Company goes on the air in Bombay.
August 1 » The Nanchang Uprising marks the first significant battle in the Chinese Civil War between the Kuomintang and Chinese Communist Party. This day is commemorated as the anniversary of the founding of the People's Liberation Army.
December 30 » The Ginza Line, the first subway line in Asia, opens in Tokyo, Japan.
Day of death April 16, 1969
The temperature on April 16, 1969 was between 3.3 °C and 9.4 °C and averaged 5.8 °C. There was 1.3 mm of rain during 0.4 hours. There was 8.8 hours of sunshine (63%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
May 17 » Venera program: Soviet Venera 6 begins its descent into the atmosphere of Venus, sending back atmospheric data before being crushed by pressure.
October 9 » In Chicago, the National Guard is called in as demonstrations continue over the trial of the "Chicago Eight".
November 3 » Vietnam War: U.S. President Richard M. Nixon addresses the nation on television and radio, asking the "silent majority" to join him in solidarity on the Vietnam War effort and to support his policies.
November 15 » Cold War: The Soviet submarine K-19 collides with the American submarine USS Gato in the Barents Sea.
November 24 » Apollo program: The Apollo 12 command module splashes down safely in the Pacific Ocean, ending the second manned mission to land on the Moon.
December 24 » Nigerian troops capture Umuahia, the Biafran capital.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I99237.php : accessed February 3, 2026), "Johannes Theodorus van Os (1899-1969)".
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