February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
July 1 » Start of first Tour de France bicycle race.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of death October 6, 1956
The temperature on October 6, 1956 was between 0.7 °C and 11.4 °C and averaged 7.4 °C. There was 8.7 mm of rain during 5.6 hours. There was 2.5 hours of sunshine (22%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 26 » Soviet Union cedes Porkkala back to Finland.
March 20 » Tunisia gains independence from France.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
October 26 » Hungarian Revolution: In the towns of Mosonmagyaróvár and Esztergom, Hungarian secret police forces massacre civilians. As rebel strongholds in Budapest hold, fighting spreads throughout the country.
October 28 » Hungarian Revolution: A de facto ceasefire comes into effect between armed revolutionaries and Soviet troops, who begin to withdraw from Budapest. Communist officials and facilities come under attack by revolutionaries.
December 2 » The Granma reaches the shores of Cuba's Oriente Province. Fidel Castro, Che Guevara and 80 other members of the 26th of July Movement disembark to initiate the Cuban Revolution.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I12696.php : accessed March 16, 2026), "Aletta Catharina Dreyer (1903-1956)".
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