February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
March 16 » Sir Arthur Evans purchased the land around the ruins of Knossos, the largest Bronze Age archaeological site on Crete.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
November 7 » The People's Party is founded in Cuba.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage April 20, 1927
The temperature on April 20, 1927 was between 5.9 °C and 13.9 °C and averaged 9.9 °C. There was 4.7 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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.
March 15 » The first Women's Boat Race between the University of Oxford and the University of Cambridge takes place on The Isis in Oxford.
May 21 » Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.
May 27 » The Ford Motor Company ceases manufacture of the Ford Model T and begins to retool plants to make the Ford Model A.
June 27 » Prime Minister of Japan Tanaka Giichi convenes an eleven-day conference to discuss Japan's strategy in China. The Tanaka Memorial, a forged plan for world domination, is later claimed to be a secret report leaked from this conference.
October 25 » The Italian luxury liner SS Principessa Mafalda sinks off the coast of Brazil, killing 314.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I264472.php : accessed February 22, 2026), "Franciscus Gerardus Ferwerda (1900-)".
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