February 18 » Second Boer War: Imperial forces suffer their worst single-day loss of life on Bloody Sunday, the first day of the Battle of Paardeberg.
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.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
July 19 » The first line of the Paris Métro opens for operation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of death December 31, 1970
The temperature on December 31, 1970 was between -11.6 °C and 1.0 °C and averaged -4.9 °C. There was 0.2 mm of rain during 0.1 hours. There was 4.8 hours of sunshine (62%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
July 23 » Qaboos bin Said al Said becomes Sultan of Oman after overthrowing his father, Said bin Taimur initiating massive reforms, modernization programs and end to a decade long civil war.
August 26 » A new feminist movement leads a nationwide Women's Strike for Equality.
September 2 » NASA announces the cancellation of two Apollo missions to the Moon, Apollo 15 (the designation is re-used by a later mission), and Apollo 19.
September 8 » Trans International Airlines Flight 863 crashes during takeoff from John F. Kennedy International Airport in New York City, killing all 11 aboard.
October 5 » The Public Broadcasting Service (PBS) is founded.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I6859.php : accessed January 27, 2026), "Ludolf Jan Zandt (1900-1970)".
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