The temperature on May 10, 1971 was between 5.5 °C and 22.2 °C and averaged 14.2 °C. There was -0.1 mm of rain. There was 11.9 hours of sunshine (77%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
March 1 » President of Pakistan Yahya Khan indefinitely postpones the pending national assembly session, precipitating massive civil disobedience in East Pakistan.
April 19 » Charles Manson is sentenced to death (later commuted to life imprisonment) for conspiracy in the Tate–LaBianca murders.
August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
October 21 » A gas explosion kills 22 people at a shopping centre near Glasgow, Scotland.
December 1 » Cambodian Civil War: Khmer Rouge rebels intensify assaults on Cambodian government positions, forcing their retreat from Kompong Thmar and nearby Ba Ray.
December 4 » The PNS Ghazi, a submarine belonging to the Pakistan Navy, sinks during the course of the Indo-Pakistani Naval War of 1971.
When copying data from this family tree, please include a reference to the origin: Rolf Kapma, "Family tree Kapma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kapma/I6567.php : accessed March 3, 2026), "Jan Leonard "Leo" Daemen (1906-1971)".
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