January 31 » Czechoslav Trade Union Association is founded in Prague.
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.
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 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death February 15, 1956
The temperature on February 15, 1956 was between -19.5 °C and -2.2 °C and averaged -9.7 °C. There was 3.2 mm of rain during 2.3 hours. There was 0.2 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 1 » The International Air Transport Association finalizes a draft of the Radiotelephony spelling alphabet for the International Civil Aviation Organization.
March 9 » Soviet forces suppress mass demonstrations in the Georgian SSR, reacting to Nikita Khrushchev's de-Stalinization policy.
June 30 » A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
July 26 » Following the World Bank's refusal to fund building the Aswan Dam, Egyptian leader Gamal Abdel Nasser nationalizes the Suez Canal, sparking international condemnation.
October 8 » The New York Yankees's Don Larsen pitches the only perfect game in a World Series.
November 3 » Suez Crisis: The Khan Yunis killings by the Israel Defense Forces in Egyptian-controlled Gaza result in the deaths of 275 Palestinians.
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/I123775.php : accessed January 2, 2026), "Jacob Koster (± 1875-1956)".
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