March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
March 6 » Bayer registers "Aspirin" as a trademark.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
September 23 » The American Asiatic Squadron destroys a Filipino battery at the Battle of Olongapo.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of death September 21, 1951
The temperature on September 21, 1951 was between 6.7 °C and 14.6 °C and averaged 10.4 °C. There was 1.3 hours of sunshine (11%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
April 5 » Cold War: Ethel and Julius Rosenberg are sentenced to death for spying for the Soviet Union.
May 23 » Tibetans sign the Seventeen Point Agreement with China.
June 23 » The ocean liner SS United States is christened and launched.
July 10 » Korean War: Armistice negotiations begin at Kaesong.
November 2 » Canada in the Korean War: A platoon of The Royal Canadian Regiment defends a vital area against a full battalion of Chinese troops in the Battle of the Song-gok Spur. The engagement lasts into the early hours the next day.
November 10 » With the rollout of the North American Numbering Plan, direct-dial coast-to-coast telephone service begins in the United States.
When copying data from this family tree, please include a reference to the origin: Marianne Langeslag, "Family tree Langeslag", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-langeslag/I4755.php : accessed March 1, 2026), "Petrus Gradisen (1899-1951)".
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