May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 8 » The first issue of The Wall Street Journal is published.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 8 » Montana is admitted as the 41st U.S. state.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of death May 15, 1971
The temperature on May 15, 1971 was between 8.5 °C and 20.1 °C and averaged 14.3 °C. There was 2.2 mm of rain during 0.7 hours. There was 10.7 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 2 » Idi Amin replaces President Milton Obote as leader of Uganda.
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
April 7 » President Richard Nixon announces his decision to quicken the pace of Vietnamization.
May 19 » Mars probe program: Mars 2 is launched by the Soviet Union.
June 13 » Vietnam War: The New York Times begins publication of the Pentagon Papers.
December 1 » Cambodian Civil War: Khmer Rouge rebels intensify assaults on Cambodian government positions, forcing their retreat from Kompong Thmar and nearby Ba Ray.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P18862.php : accessed January 6, 2026), "Kathleen Mulligan (1889-1971)".
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