The temperature on May 22, 1873 was about 13.9 °C. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. 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).
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of death May 9, 1948
The temperature on May 9, 1948 was between 10.0 °C and 23.9 °C and averaged 17.5 °C. There was 13.0 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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).
June 16 » Members of the Malayan Communist Party kill three British plantation managers in Sungai Siput; in response, British Malaya declares a state of emergency.
July 31 » USSNevada is sunk by an aerial torpedo after surviving hits from two atomic bombs (as part of post-war tests) and being used for target practice by three other ships.
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.
September 14 » The Indian Army captures the city of Aurangabad as part of Operation Polo.
December 20 » Indonesian National Revolution: The Dutch military captures Yogyakarta, the temporary capital of the newly-formed Republic of Indonesia.
December 22 » Sjafruddin Prawiranegara established the Emergency Government of the Republic of Indonesia (Pemerintah Darurat Republik Indonesia, PDRI) in West Sumatra.
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/I203747.php : accessed January 2, 2026), "Klaas Zijlstra (1873-1948)".
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