June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage September 11, 1951
The temperature on September 11, 1951 was between 15.6 °C and 21.2 °C and averaged 18.4 °C. There was 2.3 mm of rain during 2.2 hours. There was 0.2 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
January 4 » Korean War: Chinese and North Korean forces capture Seoul.
March 29 » Ethel and Julius Rosenberg are convicted of conspiracy to commit espionage.
March 31 » Remington Rand delivers the first UNIVAC I computer to the United States Census Bureau.
May 16 » The first regularly scheduled transatlantic flights begin between Idlewild Airport (now John F Kennedy International Airport) in New York City and Heathrow Airport in London, operated by El Al Israel Airlines.
July 26 » Walt Disney's 13th animated film, Alice in Wonderland, premieres in London, England, United Kingdom.
December 31 » Cold War: The Marshall Plan expires after distributing more than US$13.3 billion in foreign aid to rebuild Western Europe.
Day of death April 30, 1956
The temperature on April 30, 1956 was between 3.0 °C and 9.9 °C and averaged 6.4 °C. There was 0.7 mm of rain during 0.9 hours. There was 2.5 hours of sunshine (17%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 8 » Operation Auca: Five U.S. missionaries are killed by the Huaorani of Ecuador shortly after making contact with them.
April 3 » Hudsonville–Standale tornado: The western half of the Lower Peninsula of Michigan is struck by a deadly F5 tornado.
April 30 » Former Vice President and Democratic Senator Alben Barkley dies during a speech in Virginia.
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.
September 13 » The dike around the Dutch polder East Flevoland is closed.
October 8 » The New York Yankees's Don Larsen pitches the only perfect game in a World Series.
When copying data from this family tree, please include a reference to the origin: Han Eman, "Family tree Eman/Swart-Radstok/Attevelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eman/I5832.php : accessed January 25, 2026), "Hillegie Olivier (1895-1956)".
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