March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of death July 7, 1955
The temperature on July 7, 1955 was between 9.1 °C and 20.4 °C and averaged 15.0 °C. There was 2.2 hours of sunshine (13%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
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The Family tree Van Leeuwen publication was prepared by L.H.van Leeuwen (contact is not possible).
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