January 31 » Czechoslav Trade Union Association is founded in Prague.
February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
Day of death May 17, 1957
The temperature on May 17, 1957 was between 6.9 °C and 17.7 °C and averaged 12.4 °C. There was 7.4 hours of sunshine (47%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 22 » Ngô Đình Diệm of South Vietnam survives a communist shooting assassination attempt in Buôn Ma Thuột.
March 6 » Ghana becomes the first Sub-Saharan country to gain independence from the British.
March 17 » A plane crash in Cebu, Philippines kills Philippine President Ramon Magsaysay and 24 others.
June 9 » First ascent of Broad Peak by Fritz Wintersteller, Marcus Schmuck, Kurt Diemberger, and Hermann Buhl.
August 28 » U.S. Senator Strom Thurmond begins a filibuster to prevent the Senate from voting on Civil Rights Act of 1957; he stopped speaking 24 hours and 18 minutes later, the longest filibuster ever conducted by a single Senator.
November 8 » Pan Am Flight 7 disappears between San Francisco and Honolulu. Wreckage and bodies are discovered a week later.
When copying data from this family tree, please include a reference to the origin: Leo Eijskoot, "Family tree Eijskoot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijskoot/I4772.php : accessed February 25, 2026), "Willem de Gelder (1897-1957)".
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