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 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
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.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage March 1, 1923
The temperature on March 1, 1923 was between 4.0 °C and 8.8 °C and averaged 6.3 °C. There was 1.2 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 3 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.
April 15 » Insulin becomes generally available for use by people with diabetes.
June 9 » Bulgaria's military takes over the government in a coup.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
October 31 » The first of 160 consecutive days of 100° Fahrenheit at Marble Bar, Western Australia.
November 8 » Beer Hall Putsch: In Munich, Adolf Hitler leads the Nazis in an unsuccessful attempt to overthrow the German government.
Day of death July 12, 1969
The temperature on July 12, 1969 was between 10.6 °C and 19.4 °C and averaged 15.5 °C. There was 0.1 hours of sunshine (1%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 18 » United Airlines Flight 266 crashes into Santa Monica Bay killing all 32 passengers and six crew members.
April 28 » Charles de Gaulle resigns as President of France.
August 4 » Vietnam War: At the apartment of French intermediary Jean Sainteny in Paris, American representative Henry Kissinger and North Vietnamese representative Xuân Thuỷ begin secret peace negotiations. The negotiations will eventually fail.
August 17 » Category 5 Hurricane Camille hits the U.S. Gulf Coast, killing 256 and causing $1.42 billion in damage.
November 13 » Vietnam War: Anti-war protesters in Washington, D.C. stage a symbolic March Against Death.
December 9 » U.S. Secretary of State William P. Rogers proposes his plan for a ceasefire in the War of Attrition; Egypt and Jordan accept it over the objections of the PLO, which leads to civil war in Jordan in September 1970.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I37004.php : accessed February 16, 2026), "Janna Hendrika ROOKS (1897-1969)".
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