The temperature on May 10, 1915 was between 5.9 °C and 18.2 °C and averaged 12.3 °C. There was 13.8 hours of sunshine (90%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
May 9 » World War I: Second Battle of Artois between German and French forces.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of marriage April 20, 1938
The temperature on April 20, 1938 was between -0.6 °C and 11.1 °C and averaged 5.2 °C. There was 8.5 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 25 » U.S. Supreme Court delivers its opinion in Erie Railroad Co. v. Tompkins and overturns a century of federal common law.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 30 » Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
October 5 » In Nazi Germany, Jews' passports are invalidated.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death January 29, 1980
The temperature on January 29, 1980 was between -0.2 °C and 3.2 °C and averaged 1.2 °C. There was 0.1 mm of rain during 0.2 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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.
January 27 » Through cooperation between the U.S. and Canadian governments, six American diplomats secretly escape hostilities in Iran in the culmination of the Canadian Caper.
February 17 » First winter ascent of Mount Everest by Krzysztof Wielicki and Leszek Cichy.
February 22 » Miracle on Ice: In Lake Placid, New York, the United States hockey team defeats the Soviet Union hockey team 4–3.
August 25 » Zimbabwe joins the United Nations.
October 2 » Michael Myers becomes the first member of either chamber of Congress to be expelled since the Civil War.
November 21 » A deadly fire breaks out at the MGM Grand Hotel in Paradise, Nevada (now Bally's Las Vegas). Eighty-seven people are killed and more than 650 are injured in the worst disaster in Nevada history.
Day of cremation February 1, 1980
The temperature on February 1, 1980 was between -0.9 °C and 4.0 °C and averaged 1.3 °C. There was 0.5 mm of rain during 0.5 hours. There was 6.5 hours of sunshine (72%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
March 23 » Archbishop Óscar Romero of El Salvador gives his famous speech appealing to men of the El Salvadoran armed forces to stop killing the Salvadorans.
March 27 » The Norwegian oil platform Alexander L. Kielland collapses in the North Sea, killing 123 of its crew of 212.
April 12 » Transbrasil Flight 303, a Boeing 727, crashes on approach to Hercílio Luz International Airport, in Florianópolis, Brazil. Fifty-five out of the 58 people on board are killed.
June 3 » An explosive device is detonated at the Statue of Liberty. The FBI suspects Croatian nationalists.
August 1 » A train crash kills 18 people in County Cork, Ireland.
August 14 » Lech Wałęsa leads strikes at the Gdańsk, Poland shipyards.
When copying data from this family tree, please include a reference to the origin: John van Os, "Family tree Van Os", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-os/I7.php : accessed January 29, 2026), "Johannes Wilhelmus Antonius van Os (1915-1980)".
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