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.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
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.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage August 21, 1923
The temperature on August 21, 1923 was between 13.7 °C and 24.2 °C and averaged 18.0 °C. There was 7.5 hours of sunshine (52%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
June 9 » Bulgaria's military takes over the government in a coup.
October 6 » The Turkish National Movement enters Constantinople.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
Day of death January 31, 1978
The temperature on January 31, 1978 was between -1.0 °C and 3.7 °C and averaged 1.1 °C. There was 3.1 mm of rain during 2.6 hours. There was 2.9 hours of sunshine (32%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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 1 » Air India Flight 855, a Boeing 747, crashes into the Arabian Sea, due to instrument failure, spatial disorientation, and pilot error, off the coast of Bombay, India, killing all 213 people on board.
January 13 » United States Food and Drug Administration requires all blood donations to be labeled "paid" or "volunteer" donors.
February 17 » The Troubles: The Provisional IRA detonates an incendiary bomb at the La Mon restaurant, near Belfast, killing 12 and seriously injuring 30 others, all Protestants.
September 16 » The 7.4 Mw Tabas earthquake affects the city of Tabas, Iran with a maximum Mercalli intensity of IX (Violent). At least 15,000 people were killed.
September 25 » PSA Flight 182, a Boeing 727, collides in mid-air with a Cessna 172 and crashes in San Diego, killing 144 people.
December 10 » Arab–Israeli conflict: Prime Minister of Israel Menachem Begin and President of Egypt Anwar Sadat are jointly awarded the Nobel Peace Prize.
When copying data from this family tree, please include a reference to the origin: Lucas A. Ocken, "Family tree Ocken", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ocken/I01736.php : accessed February 6, 2026), "Augustine Ernestine Frederika Gratama (1897-1978)".
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