March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
July 24 » O. Henry is released from prison in Columbus, Ohio, after serving three years for embezzlement from a bank.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death May 29, 1956
The temperature on May 29, 1956 was between 13.5 °C and 23.8 °C and averaged 18.5 °C. There was 3.0 mm of rain during 3.3 hours. There was 0.8 hours of sunshine (5%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
March 1 » The International Air Transport Association finalizes a draft of the Radiotelephony spelling alphabet for the International Civil Aviation Organization.
April 5 » Cuban Revolution: Fidel Castro declares himself at war with Cuban President Fulgencio Batista.
May 24 » The first Eurovision Song Contest is held in Lugano, Switzerland.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
November 1 » Hungarian Revolution: Imre Nagy announces Hungary's neutrality and withdrawal from the Warsaw Pact. Soviet troops begin to re-enter Hungary, contrary to assurances by the Soviet government. János Kádár and Ferenc Münnich secretly defect to the Soviets.
November 4 » Soviet troops enter Hungary to end the Hungarian revolution against the Soviet Union that started on October 23. Thousands are killed, more are wounded, and nearly a quarter million leave the country.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I10214.php : accessed March 3, 2026), "Jacobus Willem Hendrik van der Steeg (1901-1956)".
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