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).
March 22 » The Spanish National Assembly abolishes slavery in Puerto Rico.
April 13 » The Colfax massacre, in which more than 60 black men are murdered, takes place.
May 23 » The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police.
June 5 » Sultan Barghash bin Said of Zanzibar closes the great slave market under the terms of a treaty with Great Britain.
August 30 » Austrian explorers Julius von Payer and Karl Weyprecht discover the archipelago of Franz Josef Land in the Arctic Sea.
October 9 » A meeting at the U.S. Naval Academy establishes the U.S. Naval Institute.
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 29 » Charles Curtis of Kansas becomes the first Native American U.S. Senator.
May 23 » The unicameral Parliament of Finland gathers for its first plenary session.
June 22 » The London Underground's Charing Cross, Euston and Hampstead Railway opens.
July 21 » The passenger steamer SS Columbia sinks after colliding with the steam schooner San Pedro off Shelter Cove, California, killing 88 people.
August 15 » Ordination in Constantinople of Fr. Raphael Morgan, the first African-American Orthodox priest, "Priest-Apostolic" to America and the West Indies.
October 21 » The 1907 Qaratog earthquake hits the borders of Uzbekistan and Tajikistan, killing between 12,000 and 15,000 people.
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 4 » Burma gains its independence from the United Kingdom becoming an independent republic, named the Union of Burma, with Sao Shwe Thaik as its first President and U Nu its first Prime Minister.
May 9 » Czechoslovakia's Ninth-of-May Constitution comes into effect.
May 30 » A dike along the flooding Columbia River breaks, obliterating Vanport, Oregon within minutes. Fifteen people die and tens of thousands are left homeless.
September 17 » The Nizam of Hyderabad surrenders his sovereignty over the Hyderabad State and joins the Indian Union.
November 22 » Chinese Civil War: Elements of the Chinese Communist Second Field Army under Liu Bocheng trap the Nationalist 12th Army, beginning the Shuangduiji Campaign, the largest engagement of the Huaihai Campaign.
December 23 » Seven Japanese military and political leaders convicted of war crimes by the International Military Tribunal for the Far East are executed by Allied occupation authorities at Sugamo Prison in Tokyo, Japan.
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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