The temperature on October 4, 1926 was between 4.8 °C and 15.9 °C and averaged 11.6 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
November 11 » The United States Numbered Highway System is established.
Day of marriage December 11, 1956
The temperature on December 11, 1956 was between 6.8 °C and 9.8 °C and averaged 7.9 °C. There was 11.3 mm of rain during 10.0 hours. The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
September 27 » USAF Captain Milburn G. Apt becomes the first person to exceed Mach 3. Shortly thereafter, the Bell X-2 goes out of control and Captain Apt is killed.
November 2 » Hungarian Revolution: Imre Nagy requests UN aid for Hungary. Nikita Khrushchev meets with leaders of other Communist countries to seek their advice on the situation in Hungary, selecting János Kádár as the country's next leader on the advice of Josip Broz Tito.
November 22 » The Summer Olympics, officially known as the games of the XVI Olympiad, are opened in Melbourne, Australia.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I44461.php : accessed February 12, 2026), "Mechiel Meijer (1926-< 2024)".
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