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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
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.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of death March 19, 1978
The temperature on March 19, 1978 was between 3.4 °C and 8.3 °C and averaged 6.1 °C. There was 10.2 mm of rain during 6.8 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
January 31 » The Crown of St. Stephen (also known as the Holy Crown of Hungary) goes on public display after being returned to Hungary from the United States, where it was held after World War II.
March 16 » A Balkan Bulgarian Airlines Tupolev Tu-134 crashes near Gabare, Bulgaria, killing 73.
June 22 » Charon, the first of Pluto's satellites to be discovered, was first seen at the United States Naval Observatory by James W. Christy.
August 7 » U.S. President Jimmy Carter declares a federal emergency at Love Canal due to toxic waste that had been disposed of negligently.
December 16 » Cleveland, Ohio becomes the first major American city to default on its financial obligations since the Great Depression.
December 27 » Spain becomes a democracy after 40 years of fascist dictatorship.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I586141.php : accessed January 9, 2026), "Arjen Agema (1897-1978)".
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