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.
February 18 » Bulgarian revolutionary leader Vasil Levski is executed by hanging in Sofia by the Ottoman authorities.
April 4 » The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.
May 23 » The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police.
June 18 » Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election.
September 18 » The bank Jay Cooke & Company declares bankruptcy, contributing to the Panic of 1873.
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.
January 6 » Maria Montessori opens her first school and daycare center for working class children in Rome, Italy.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
February 9 » The Mud March is the first large procession organised by the National Union of Women's Suffrage Societies (NUWSS).
December 8 » King Gustaf V of Sweden accedes to the Swedish throne.
December 14 » The Thomas W. Lawson, the largest ever ship without a heat engine, runs aground and founders near the Hellweather's Reef within the Isles of Scilly in a gale. The pilot and 15 seamen die.
December 17 » Ugyen Wangchuck is crowned first King of Bhutan.
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).
January 17 » The Renville Agreement between the Netherlands and Indonesia is ratified.
January 21 » The Flag of Quebec is adopted and flown for the first time over the National Assembly of Quebec. The day is marked annually as Québec Flag Day.
May 14 » Israel is declared to be an independent state and a provisional government is established. Immediately after the declaration, Israel is attacked by the neighboring Arab states, triggering the 1948 Arab–Israeli War.
June 18 » Columbia Records introduces the long-playing record album in a public demonstration at the Waldorf-Astoria Hotel in New York City.
June 24 » Cold War: Start of the Berlin Blockade: The Soviet Union makes overland travel between West Germany and West Berlin impossible.
July 5 » National Health Service Acts create the national public health system in the United Kingdom.
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 8, 2026), "Ytje Helder (1873-1948)".
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