The temperature on August 23, 1873 was about 15.2 °C. There was 6 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
January 17 » A group of Modoc warriors defeats the United States Army in the First Battle of the Stronghold, part of the Modoc War.
March 1 » E. Remington and Sons in Ilion, New York begins production of the first practical typewriter.
April 4 » The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.
June 5 » Sultan Barghash bin Said of Zanzibar closes the great slave market under the terms of a treaty with Great Britain.
July 21 » At Adair, Iowa, Jesse James and the James–Younger Gang pull off the first successful train robbery in the American Old West.
October 3 » Chief Kintpuash and companions are hanged for their part in the Modoc War of northern California.
Day of marriage May 11, 1907
The temperature on May 11, 1907 was between 10.7 °C and 26.6 °C and averaged 18.4 °C. There was 12.5 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
April 15 » Triangle Fraternity is founded at the University of Illinois at Urbana–Champaign.
August 29 » The Quebec Bridge collapses during construction, killing 75 workers.
September 26 » Four months after the 1907 Imperial Conference, New Zealand and Newfoundland are promoted from colonies to dominions within the British Empire.
October 17 » Marconi begins the first commercial transatlantic wireless service.
December 11 » The New Zealand Parliament Buildings are almost completely destroyed by fire.
December 16 » The American Great White Fleet begins its circumnavigation of the world.
Day of death May 15, 1948
The temperature on May 15, 1948 was between 8.1 °C and 22.7 °C and averaged 16.2 °C. There was 14.0 hours of sunshine (89%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
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).
March 20 » With a Musicians Union ban lifted, the first telecasts of classical music in the United States, under Eugene Ormandy and Arturo Toscanini, are given on CBS and NBC.
April 7 » The World Health Organization is established by the United Nations.
May 26 » The U.S. Congress passes Public Law 80-557, which permanently establishes the Civil Air Patrol as an auxiliary of the United States Air Force.
June 26 » Cold War: The first supply flights are made in response to the Berlin Blockade.
September 13 » Deputy Prime Minister of India Vallabhbhai Patel orders the Army to move into Hyderabad to integrate it with the Indian Union.
September 14 » The Indian Army captures the city of Aurangabad as part of Operation Polo.
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/I55724.php : accessed October 14, 2026), "Ytje Helder (1873-1948)".
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