April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
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 5 » George B. Selden is granted the first U.S. patent for an automobile.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
Day of death May 12, 1978
The temperature on May 12, 1978 was between 5.3 °C and 10.8 °C and averaged 7.7 °C. There was 6.1 mm of rain during 3.6 hours. There was 1.4 hours of sunshine (9%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 8 » Proceedings of the United States Senate are broadcast on radio for the first time.
February 9 » The Budd Company unveils its first SPV-2000 self-propelled railcar in Philadelphia, Pennsylvania.
March 16 » Former Italian Prime Minister Aldo Moro is kidnapped. (He is later murdered by his captors.)
April 27 » Former United States President Nixon aide John D. Ehrlichman is released from an Arizona prison after serving 18 months for Watergate-related crimes.
June 25 » The rainbow flag representing gay pride is flown for the first time during the San Francisco Gay Freedom Day Parade.
December 22 » The pivotal Third Plenum of the 11th National Congress of the Communist Party of China is held in Beijing, with Deng Xiaoping reversing Mao-era policies to pursue a program for Chinese economic reform.
When copying data from this family tree, please include a reference to the origin: K. Mansier, "Family tree Mansier", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mansier/I697.php : accessed March 2, 2026), "Hendrik Schoemaker (1895-1978)".
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