March 1 » Henri Becquerel discovers radioactive decay.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of death June 29, 1971
The temperature on June 29, 1971 was between 9.1 °C and 17.8 °C and averaged 13.7 °C. There was 12.2 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
March 25 » The Army of the Republic of Vietnam abandon an attempt to cut off the Ho Chi Minh trail in Laos.
May 13 » Over 900 unarmed Bengali Hindus are murdered in the Demra massacre.
July 26 » Apollo program: Launch of Apollo 15 on the first Apollo "J-Mission", and first use of a Lunar Roving Vehicle.
July 30 » An All Nippon Airways Boeing 727 and a Japanese Air Force F-86 collide over Morioka, Iwate, Japan killing 162.
July 30 » Apollo program: Apollo 15 Mission: David Scott and James Irwin on the Apollo Lunar Module Falcon land on the Moon with the first Lunar Rover.
November 6 » The United States Atomic Energy Commission tests the largest U.S. underground hydrogen bomb, code-named Cannikin, on Amchitka Island in the Aleutians.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I209308.php : accessed October 20, 2026), "Tonniske Westra (1896-1971)".
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