January 4 » Utah is admitted as the 45th U.S. state.
January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
March 1 » Henri Becquerel discovers radioactive decay.
March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
Day of marriage December 11, 1919
The temperature on December 11, 1919 was between -4.9 °C and -0.3 °C and averaged -2.5 °C. There was 5.5 hours of sunshine (70%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
January 18 » World War I: The Paris Peace Conference opens in Versailles, France.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
April 13 » Jallianwala Bagh massacre: British Indian Army troops lead by Brigadier-General Reginald Dyer killed approx 379-1000 unarmed demonstrators including men and women in Amritsar, India; and approximately 1,500 injured.
June 23 » Estonian War of Independence: The decisive defeat of the Baltische Landeswehr in the Battle of Cēsis; this date is celebrated as Victory Day in Estonia.
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
October 7 » KLM, the flag carrier of the Netherlands, is founded. It is the oldest airline still operating under its original name.
Day of death November 4, 1954
The temperature on November 4, 1954 was between 1.8 °C and 12.2 °C and averaged 7.9 °C. There was 0.1 mm of rain. There was 0.8 hours of sunshine (8%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 23 » The first mass inoculation of children against polio with the Salk vaccine begins in Pittsburgh.
March 1 » Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
March 19 » Willie Mosconi sets a world record by running 526 consecutive balls without a miss during a straight pool exhibition at East High Billiard Club in Springfield, Ohio, setting a record that remains unbroken.
August 10 » At Massena, New York, the groundbreaking ceremony for the Saint Lawrence Seaway is held.
September 30 » The U.S. Navy submarine USSNautilus is commissioned as the world's first nuclear-powered vessel.
October 11 » In accord with the 1954 Geneva Conference, French troops complete their withdrawal from North Vietnam.
Day of burial November 8, 1954
The temperature on November 8, 1954 was between 1.8 °C and 10.1 °C and averaged 6.0 °C. There was 0.2 mm of rain during 0.2 hours. There was 3.0 hours of sunshine (33%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 19 » Willie Mosconi sets a world record by running 526 consecutive balls without a miss during a straight pool exhibition at East High Billiard Club in Springfield, Ohio, setting a record that remains unbroken.
April 1 » United States President Dwight D. Eisenhower authorizes the creation of the United States Air Force Academy in Colorado.
April 8 » South African Airways Flight 201 A de Havilland DH.106 Comet 1 crashes into the sea during night killing 21 people.
June 24 » First Indochina War: Battle of Mang Yang Pass: Viet Minh troops belonging to the 803rd Regiment ambush G.M.100 of France in An Khê.
August 23 » First flight of the Lockheed C-130 multi-role aircraft.
When copying data from this family tree, please include a reference to the origin: J.J.H. Verkroost, "Genealogy Verkroost", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-verkroost/I100.php : accessed May 26, 2024), "Janna Verkroost (1896-1954)".
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