January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
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.
June 7 » American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of death April 12, 1971
The temperature on April 12, 1971 was between 0.9 °C and 12.0 °C and averaged 6.5 °C. There was -0.1 mm of rain. There was 6.2 hours of sunshine (45%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 12 » The 1971 Turkish military memorandum is sent to the Süleyman Demirel government of Turkey and the government resigns.
May 1 » Amtrak (the National Railroad Passenger Corporation) takes over operation of U.S. passenger rail service.
August 21 » A bomb exploded in the Liberal Party campaign rally in Plaza Miranda, Manila, Philippines with several anti-Marcos political candidates injured.
September 15 » The first Greenpeace ship sets sail to protest against nuclear testing on Amchitka Island.
October 12 » The 2,500 year celebration of the Persian Empire begins.
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/I78603.php : accessed October 22, 2026), "Herman Piersma (1899-1971)".
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