January 31 » Czechoslav Trade Union Association is founded in Prague.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage December 20, 1926
The temperature on December 20, 1926 was between 1.7 °C and 7.9 °C and averaged 4.5 °C. There was 3.1 mm of rain. There was 1.5 hours of sunshine (19%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
December 17 » Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful.
Day of death April 19, 1977
The temperature on April 19, 1977 was between -2.6 °C and 9.3 °C and averaged 3.6 °C. There was 6.8 hours of sunshine (48%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
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.
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 18 » Scientists identify a previously unknown bacterium as the cause of the mysterious Legionnaires' disease.
March 27 » Tenerife airport disaster: Two Boeing 747 airliners collide on a foggy runway on Tenerife in the Canary Islands, killing 583 (all 248 on KLM and 335 on Pan Am). Sixty-one survived on the Pan Am flight. This is the deadliest aviation accident in history.
August 20 » Voyager program: NASA launches the Voyager 2 spacecraft.
September 18 » Voyager I takes the first distant photograph of the Earth and the Moon together.
November 26 » An unidentified hijacker named Vrillon, claiming to be the representative of the "Ashtar Galactic Command", takes over Britain's Southern Television for six minutes, starting at 5:12 pm.
December 1 » Pinwheel is launched, which is now Nickelodeon.
When copying data from this family tree, please include a reference to the origin: Maryna Zhubryk, "Olga's tree", database, Genealogy Online (https://www.genealogieonline.nl/olgas-tree/I500230.php : accessed May 9, 2025), "Maria Adelaide Delfini (1897-1977)".
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