April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
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.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage March 23, 1922
The temperature on March 23, 1922 was between -4.5 °C and 5.6 °C and averaged 0.4 °C. There was 10.7 hours of sunshine (87%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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 9 » Brazil becomes a member of the Berne Convention copyright treaty.
March 10 » Mahatma Gandhi is arrested in India, tried for sedition, and sentenced to six years in prison, only to be released after nearly two years for an appendicitis operation.
March 15 » After Egypt gains nominal independence from the United Kingdom, Fuad I becomes King of Egypt.
April 16 » The Treaty of Rapallo, pursuant to which Germany and the Soviet Union re-establish diplomatic relations, is signed.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
May 10 » The United States annexes the Kingman Reef.
Day of death April 15, 1993
The temperature on April 15, 1993 was between 3.1 °C and 14.4 °C and averaged 8.6 °C. There was 4.9 hours of sunshine (35%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 1 » Dissolution of Czechoslovakia: Czechoslovakia is divided into the Czech Republic and Slovak Republic.
February 8 » General Motors sues NBC after Dateline NBC allegedly rigs two crashes intended to demonstrate that some GM pickups can easily catch fire if hit in certain places. NBC settles the lawsuit the next day.
April 27 » Most of the Zambia national football team lose their lives in a plane crash off Libreville, Gabon en route to Dakar, Senegal to play a 1994 FIFA World Cup qualifying match against Senegal.
May 24 » Eritrea gains its independence from Ethiopia.
August 10 » Two earthquakes affect New Zealand. A 7.0 Mw shock (intensity VI (Strong)) in the South Island was followed nine hours later by a 6.4 Mw event (intensity VII (Very strong)) in the North Island.
November 20 » Macedonia's deadliest aviation disaster occurs Avioimpex Flight 110, a Yakovlev Yak-42 crashes near Ohrid killing all 116 people on board.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I51742.php : accessed February 17, 2026), "Ettje Rozema (1897-1993)".
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