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.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
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 marriage March 30, 1917
The temperature on March 30, 1917 was between 1.3 °C and 8.6 °C and averaged 4.2 °C. There was 1.1 mm of rain. There was 4.9 hours of sunshine (38%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
March 8 » International Women's Day protests in St. Petersburg mark the beginning of the February Revolution (February 23rd in the Julian calendar).
June 5 » World War I: Conscription begins in the United States as "Army registration day".
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
October 25 » Old Style date of the October Revolution in Russia.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of death December 5, 1979
The temperature on December 5, 1979 was between 4.5 °C and 13.5 °C and averaged 10.5 °C. There was 3.3 mm of rain during 2.6 hours. The heavily clouded was. The average windspeed was 4 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.
March 26 » Anwar al-Sadat, Menachem Begin and Jimmy Carter sign the Egypt–Israel Peace Treaty in Washington, D.C.
April 10 » Red River Valley tornado outbreak: A tornado lands in Wichita Falls, Texas killing 42 people.
June 2 » Pope John Paul II starts his first official visit to his native Poland, becoming the first Pope to visit a Communist country.
July 15 » U.S. President Jimmy Carter gives his "malaise speech".
November 10 » A 106-car Canadian Pacific freight train carrying explosive and poisonous chemicals from Windsor, Ontario, Canada derails in Mississauga, Ontario, just west of Toronto, causing a massive explosion and the largest peacetime evacuation in Canadian history and one of the largest in North American history.
November 20 » Grand Mosque seizure: About 200 Sunni Muslims revolt in Saudi Arabia at the site of the Kaaba in Mecca during the pilgrimage and take about 6000 hostages. The Saudi government receives help from Pakistani special forces to put down the uprising.
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/I89465.php : accessed February 13, 2026), "Katherine Hoekstra (1897-1979)".
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