April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of marriage June 2, 1926
The temperature on June 2, 1926 was between 7.6 °C and 17.7 °C and averaged 12.6 °C. There was 2.1 mm of rain. There was 0.4 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 8 » Abdul-Aziz ibn Saud is crowned King of Hejaz.
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
June 23 » The College Board administers the first SAT exam.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
November 15 » The NBC radio network opens with 24 stations.
Day of death May 26, 1960
The temperature on May 26, 1960 was between 6.3 °C and 20.2 °C and averaged 14.2 °C. There was 4.2 hours of sunshine (26%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 19 » Japan and the United States sign the US–Japan Mutual Security Treaty
May 3 » The Anne Frank House museum opens in Amsterdam, Netherlands.
September 8 » In Huntsville, Alabama, US President Dwight D. Eisenhower formally dedicates the Marshall Space Flight Center (NASA had already activated the facility on July 1).
October 29 » An airplane carrying the Cal Poly football team crashes on takeoff in Toledo, Ohio.
November 8 » John F. Kennedy is elected as the 35th President of the United States.
December 14 » Convention against Discrimination in Education of UNESCO is adopted.
Day of burial May 31, 1960
The temperature on May 31, 1960 was between 4.4 °C and 17.3 °C and averaged 11.8 °C. There was 4.0 hours of sunshine (24%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 26 » A New York-bound Alitalia airliner crashes into a cemetery in Shannon, Ireland, shortly after takeoff, killing 34 of the 52 persons on board.
April 4 » France agrees to grant independence to the Mali Federation, a union of Senegal and French Sudan.
August 6 » Cuban Revolution: Cuba nationalizes American and foreign-owned property in the nation.
September 10 » At the Summer Olympics in Rome, Abebe Bikila becomes the first sub-Saharan African to win a gold medal, winning the marathon in bare feet.
November 2 » Penguin Books is found not guilty of obscenity in the trial R v Penguin Books Ltd, the Lady Chatterley's Lover case.
December 17 » Munich C-131 crash: Twenty passengers and crew on board as well as 32 people on the ground are killed.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I21879.php : accessed February 22, 2026), "Johannes Pol (1897-1960)".
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