February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
February 27 » Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronjé at the Battle of Paardeberg.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
Day of death April 29, 1949
The temperature on April 29, 1949 was between 2.3 °C and 11.2 °C and averaged 8.1 °C. There was 7.9 mm of rain during 11.6 hours. There was 3.7 hours of sunshine (25%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. 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).
January 11 » The first "networked" television broadcasts took place as KDKA-TV in Pittsburgh, Pennsylvania goes on the air connecting the east coast and mid-west programming.
February 24 » The Armistice Agreements are signed, to formally end the hostilities of the 1948 Arab-Israeli War.
May 12 » Cold War: The Soviet Union lifts its blockade of Berlin.
June 24 » The first television western, Hopalong Cassidy, starring William Boyd, is aired on NBC.
October 14 » The Smith Act trials of Communist Party leaders in the United States convicts eleven defendants of conspiring to advocate the violent overthrow of the federal government.
December 7 » Chinese Civil War: The Government of the Republic of China moves from Nanking to Taipei, Taiwan.
When copying data from this family tree, please include a reference to the origin: Peter J van Oss, "Van Oss tree", database, Genealogy Online (https://www.genealogieonline.nl/van-oss-tree/I0388.php : accessed January 7, 2026), "Martinus Petrus Hoefnagel (1900-1949)".
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