The temperature on February 26, 1926 was between 0.6 °C and 13.7 °C and averaged 7.0 °C. There was 0.1 mm of rain. There was 6.2 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
Day of marriage July 26, 1949
The temperature on July 26, 1949 was between 15.8 °C and 26.5 °C and averaged 20.0 °C. There was 11.5 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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).
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I8890.php : accessed February 15, 2026), "Pieter Oelen (1926-2021)".
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