April 26 » Atlético Madrid Association football club is founded
June 16 » The Ford Motor Company is incorporated.
July 20 » The Ford Motor Company ships its first automobile.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
Day of marriage June 30, 1926
The temperature on June 30, 1926 was between 6.9 °C and 22.3 °C and averaged 16.3 °C. There was 13.8 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
November 11 » The United States Numbered Highway System is established.
November 15 » The NBC radio network opens with 24 stations.
November 25 » The deadliest November tornado outbreak in U.S. history kills 76 people and injures more than 400.
December 17 » Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful.
Day of death September 13, 1973
The temperature on September 13, 1973 was between 11.0 °C and 19.1 °C and averaged 15.3 °C. There was 4.7 hours of sunshine (37%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 22 » The crew of Apollo 17 addresses a joint session of Congress after the completion of the final Apollo moon landing mission.
May 11 » Citing government misconduct, Daniel Ellsberg's charges for his involvement in releasing the Pentagon Papers to The New York Times are dismissed.
May 25 » In protest against the dictatorship in Greece, the captain and crew on Greek naval destroyer Velos mutiny and refuse to return to Greece, instead anchoring at Fiumicino, Italy.
October 21 » Fred Dryer of the Los Angeles Rams becomes the first player in NFL history to score two safeties in the same game.
November 14 » In the United Kingdom, Princess Anne marries Captain Mark Phillips, in Westminster Abbey.
December 18 » Soviet Soyuz Programme: Soyuz 13, crewed by cosmonauts Valentin Lebedev and Pyotr Klimuk, is launched from Baikonur in the Soviet Union.
When copying data from this family tree, please include a reference to the origin: Marieke Cooper, "Family tree Cooper, Kooper, Oostwal, Robert, Ooteman en Blokland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cooper/I3758.php : accessed February 7, 2026), "Karel Lodewijk Trock (1903-1973)".
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