The temperature on July 17, 1927 was between 9.0 °C and 17.4 °C and averaged 13.8 °C. There was 3.5 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 27 » Ibn Saud takes the title of King of Nejd.
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
February 23 » U.S. President Calvin Coolidge signs a bill by Congress establishing the Federal Radio Commission (later replaced by the Federal Communications Commission) which was to regulate the use of radio frequencies in the United States.
May 9 » Old Parliament House, Canberra officially opens.
August 27 » Five Canadian women file a petition to the Supreme Court of Canada, asking, "Does the word 'Persons' in Section 24 of the British North America Act, 1867, include female persons?"
December 19 » Three Indian revolutionaries, Ram Prasad Bismil, Roshan Singh and Ashfaqulla Khan, are executed by the British Raj for participation in the Kakori conspiracy.
Day of death September 9, 1949
The temperature on September 9, 1949 was between 10.5 °C and 22.2 °C and averaged 16.0 °C. There was 6.5 hours of sunshine (49%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I277355.php : accessed February 22, 2026), "Jan Baptist Raaijmakers (1927-1949)".
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