April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 19 » The first line of the Paris Métro opens for operation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage May 16, 1935
The temperature on May 16, 1935 was between 0.4 °C and 12.0 °C and averaged 6.0 °C. There was 0.5 mm of rain during 1.2 hours. There was 7.7 hours of sunshine (49%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
May 14 » The Constitution of the Philippines is ratified by a popular vote.
June 3 » One thousand unemployed Canadian workers board freight cars in Vancouver, beginning a protest trek to Ottawa.
July 28 » First flight of the Boeing B-17 Flying Fortress.
October 3 » Second Italo-Abyssinian War: Italy invades Ethiopia.
October 19 » The League of Nations places economic sanctions on Italy for its invasion of Ethiopia.
December 9 » Walter Liggett, American newspaper editor and muckraker, is killed in a gangland murder.
Day of death July 20, 1981
The temperature on July 20, 1981 was between 14.4 °C and 18.9 °C and averaged 16.5 °C. There was 1.7 mm of rain during 0.8 hours. There was 0.9 hours of sunshine (6%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
April 4 » Iran–Iraq War: The Islamic Republic of Iran Air Force mounts an attack on H-3 Airbase and destroys about 50 Iraqi aircraft.
July 29 » After impeachment on June 21, Abolhassan Banisadr flees with Massoud Rajavi to Paris, in an Iranian Air Force Boeing 707, piloted by Colonel Behzad Moezzi, to form the National Council of Resistance of Iran.
November 1 » Antigua and Barbuda gains independence from the United Kingdom.
December 1 » Inex-Adria Aviopromet Flight 1308, a McDonnell Douglas MD-80, crashes in Corsica, killing all 180 people on board.
December 4 » South Africa grants independence to the Ciskei "homeland" (not recognized by any government outside South Africa).
December 17 » American Brigadier General James L. Dozier is abducted by the Red Brigades in Verona, Italy.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I2833.php : accessed January 9, 2026), "Willem LUIMES (1900-1981)".
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