February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
Day of death December 11, 1957
The temperature on December 11, 1957 was between -0.4 °C and 3.9 °C and averaged 2.2 °C. There was 3.8 mm of rain during 7.9 hours. The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south east. Source: KNMI
January 3 » The Hamilton Watch Company introduces the first electric watch.
January 22 » The New York City "Mad Bomber", George P. Metesky, is arrested in Waterbury, Connecticut and charged with planting more than 30 bombs.
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
August 31 » The Federation of Malaya (now Malaysia) gains its independence from the United Kingdom.
September 2 » President Ngô Đình Diệm of South Vietnam becomes the first foreign head of state to make a state visit to Australia.
November 1 » The Mackinac Bridge, the world's longest suspension bridge between anchorages at the time, opens to traffic connecting Michigan's upper and lower peninsulas.
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/I27384.php : accessed March 17, 2026), "Sipke Albert Wijchers (1897-1957)".
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