February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
August 3 » The Firestone Tire and Rubber Company is founded.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
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 15 » Chinese Civil War: The Communist forces take over Tianjin from the Nationalist Government.
March 8 » President of France Vincent Auriol and ex-emperor of Annam Bảo Đại sign the Élysée Accords, giving Vietnam greater independence from France and creating the State of Vietnam to oppose Viet Minh-led Democratic Republic of Vietnam.
March 10 » Mildred Gillars ("Axis Sally") is convicted of treason.
August 22 » The Queen Charlotte earthquake is Canada's strongest since the 1700 Cascadia earthquake.
September 4 » The Peekskill riots erupt after a Paul Robeson concert in Peekskill, New York.
October 3 » WERD, the first black-owned radio station in the United States, opens in Atlanta.
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 4, 2026), "Martinus Petrus Hoefnagel (1900-1949)".
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