February 20 » The legislature of Hawaii Territory convenes for the first time.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
November 13 » The 1901 Caister lifeboat disaster.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
Day of marriage August 29, 1925
The temperature on August 29, 1925 was between 12.3 °C and 20.2 °C and averaged 15.4 °C. There was 0.1 mm of rain. There was 0.9 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
April 26 » Paul von Hindenburg defeats Wilhelm Marx in the second round of the German presidential election to become the first directly elected head of state of the Weimar Republic.
May 14 » Virginia Woolf's novel Mrs Dalloway is published.
May 15 » Al-Insaniyyah, the first Arabic communist newspaper, is founded.
May 30 » May Thirtieth Movement: Shanghai Municipal Police Force shoot and kill 13 protesting workers.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
July 21 » Malcolm Campbell becomes the first man to exceed 150mph (241km/h) on land. At Pendine Sands in Wales, he drives Sunbeam 350HP built by Sunbeam at a two-way average speed of 150.33mph (242km/h).
Day of death May 19, 1956
The temperature on May 19, 1956 was between 1.6 °C and 12.3 °C and averaged 7.1 °C. There was 0.5 mm of rain during 0.2 hours. There was 12.0 hours of sunshine (76%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 3 » A fire damages the top part of the Eiffel Tower.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
October 28 » Elvis Presley receives a polio vaccination on national TV.
October 30 » Hungarian Revolution: The government recognizes the new workers' councils. Army officer Béla Király leads an attack on the Communist Party headquarters.
November 12 » Morocco, Sudan and Tunisia join the United Nations.
December 19 » Irish-born physician John Bodkin Adams is arrested in connection with the suspicious deaths of more than 160 patients. Eventually he is convicted only of minor charges.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I9825.php : accessed February 22, 2026), "Aaltje Witteveen (1901-1956)".
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