June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
November 27 » The U.S. Army War College is established.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
Day of marriage December 20, 1924
The temperature on December 20, 1924 was between 5.1 °C and 6.8 °C and averaged 6.0 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 12 » George Gershwin's Rhapsody in Blue received its premiere in a concert titled "An Experiment in Modern Music", in Aeolian Hall, New York, by Paul Whiteman and his band, with Gershwin playing the piano.
March 25 » On the anniversary of Greek Independence, Alexandros Papanastasiou proclaims the Second Hellenic Republic.
July 24 » Themistoklis Sofoulis becomes Prime Minister of Greece.
August 4 » Diplomatic relations between Mexico and the Soviet Union are established.
October 27 » The Uzbek SSR is founded in the Soviet Union.
December 19 » The last Rolls-Royce Silver Ghost is sold in London, England.
Day of death June 30, 1954
The temperature on June 30, 1954 was between 5.0 °C and 17.3 °C and averaged 12.1 °C. There was 9.0 hours of sunshine (54%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 14 » The Hudson Motor Car Company merges with Nash-Kelvinator Corporation forming the American Motors Corporation.
January 20 » In the United States, the National Negro Network is established with 40 charter member radio stations.
April 1 » United States President Dwight D. Eisenhower authorizes the creation of the United States Air Force Academy in Colorado.
April 7 » United States President Dwight D. Eisenhower gives his "domino theory" speech during a news conference.
September 11 » Hurricane Edna hits New England as a Category 2 hurricane, causing significant damage and 29 deaths.
December 2 » Cold War: The United States Senate votes 65 to 22 to censure Joseph McCarthy for "conduct that tends to bring the Senate into dishonor and disrepute".
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I13422.php : accessed February 7, 2026), "Roelof Petrus Gerhardus Dreyer (1901-1954)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.