May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
July 28 » The city of Miami, Florida is incorporated.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage March 24, 1915
The temperature on March 24, 1915 was between 7.6 °C and 13.6 °C and averaged 11.2 °C. There was 4.9 mm of rain. There was 0.3 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
Day of death June 24, 1949
The temperature on June 24, 1949 was between 6.1 °C and 20.5 °C and averaged 14.5 °C. There was 15.0 hours of sunshine (90%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
February 14 » The Asbestos Strike begins in Canada. The strike marks the beginning of the Quiet Revolution in Quebec.
February 19 » Ezra Pound is awarded the first Bollingen Prize in poetry by the Bollingen Foundation and Yale University.
March 10 » Mildred Gillars ("Axis Sally") is convicted of treason.
August 10 » An amendment to the National Security Act of 1947 enhances the authority of the United States Secretary of Defense over the Army, Navy and Air Force, and replaces the National Military Establishment with the Department of Defense.
September 30 » The Berlin Airlift ends.
October 3 » WERD, the first black-owned radio station in the United States, opens in Atlanta.
When copying data from this family tree, please include a reference to the origin: Wim Helsdingen, "Family tree Helsdingen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-helsdingen/I520.php : accessed February 16, 2026), "Johanna Helsdingen (1896-1949)".
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