The temperature on February 19, 1971 was between -2.4 °C and 6.7 °C and averaged 3.0 °C. There was -0.1 mm of rain. There was 5.5 hours of sunshine (54%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 25 » Charles Manson and three female "Family" members are found guilty of the 1969 Tate–LaBianca murders.
February 2 » The international Ramsar Convention for the conservation and sustainable utilization of wetlands is signed in Ramsar, Mazandaran, Iran.
July 26 » Apollo program: Launch of Apollo 15 on the first Apollo "J-Mission", and first use of a Lunar Roving Vehicle.
November 12 » Vietnam War: As part of Vietnamization, US President Richard Nixon sets February 1, 1972 as the deadline for the removal of another 45,000 American troops from Vietnam.
November 30 » Iran seizes the Greater and Lesser Tunbs from the Emirates of Sharjah and Ras Al Khaimah.
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: Ruud Zonneveld, "Family tree Zonneveld en Sonnevelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zonneveld-en-sonnevelt/I18857.php : accessed June 18, 2024), "Johannes Bernardus Wolken (1894-1971)".
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