The temperature on May 4, 1875 was about 17.9 °C. The air pressure was 6 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 54%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
February 25 » Guangxu Emperor of Qing dynasty China begins his reign, under Empress Dowager Cixi's regency.
March 15 » Archbishop of New York John McCloskey is named the first cardinal in the United States.
May 17 » Aristides wins the first Kentucky Derby with the jockey Oliver Lewis (2:37.75)
May 20 » Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
September 27 » The merchant sailing ship Ellen Southard is wrecked in a storm at Liverpool.
October 16 » Brigham Young University is founded in Provo, Utah.
Day of death April 25, 1946
The temperature on April 25, 1946 was between 6.4 °C and 14.6 °C and averaged 10.6 °C. There was 6.2 hours of sunshine (43%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
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.
January 17 » The UN Security Council holds its first session.
March 6 » Ho Chi Minh signs an agreement with France which recognizes Vietnam as an autonomous state in the Indochinese Federation and the French Union.
May 5 » The International Military Tribunal for the Far East begins in Tokyo with twenty-eight Japanese military and government officials accused of war crimes and crimes against humanity.
May 10 » First successful launch of an American V-2 rocket at White Sands Proving Ground.
September 24 » The top-secret Clifford-Elsey Report on the Soviet Union is delivered to President Truman.
October 22 » Operation Osoaviakhim takes place, recruiting of thousands of military-related technical specialists from the Soviet occupation zone of post–World War II Germany for employment in the Soviet Union.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I439390.php : accessed January 26, 2026), "Petrus Koopmans (1875-1946)".
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