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).
February 18 » Bulgarian revolutionary leader Vasil Levski is executed by hanging in Sofia by the Ottoman authorities.
March 1 » E. Remington and Sons in Ilion, New York begins production of the first practical typewriter.
April 1 » The White Star steamer RMSAtlantic sinks off Nova Scotia, killing 547 in one of the worst marine disasters of the 19th century.
July 1 » Prince Edward Island joins into Canadian Confederation.
August 23 » Albert Bridge in Chelsea, London opens.
September 1 » Cetshwayo ascends to the throne as king of the Zulu nation following the death of his father Mpande.
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.
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).
April 15 » Triangle Fraternity is founded at the University of Illinois at Urbana–Champaign.
October 9 » Las Cruces, New Mexico is incorporated.
December 10 » The worst night of the Brown Dog riots in London, when 1,000 medical students clash with 400 police officers over the existence of a memorial for animals that have been vivisected.
December 31 » The first New Year's Eve celebration is held in Times Square (then known as Longacre Square) in Manhattan.
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).
May 9 » Czechoslovakia's Ninth-of-May Constitution comes into effect.
June 7 » Anti-Jewish riots in Oujda and Jerada take place.
June 20 » The Deutsche Mark is introduced in Western Allied-occupied Germany. The Soviet Military Administration in Germany responded by imposing the Berlin Blockade four days later.
June 26 » Cold War: The first supply flights are made in response to the Berlin Blockade.
September 5 » In France, Robert Schuman becomes President of the Council while being Foreign minister; as such, he is the negotiator of the major treaties of the end of World War II.
September 12 » Marshal Lin Biao, commander-in-chief of the Chinese communist Northeast Field Army, launched a massive offensive toward Jinzhou, Liaoshen Campaign has begun.
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 13, 2026), "Ytje Helder (1873-1948)".
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