May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death May 30, 1956
The temperature on May 30, 1956 was between 12.0 °C and 17.7 °C and averaged 14.1 °C. There was 0.4 mm of rain during 1.4 hours. There was 0.7 hours of sunshine (4%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
May 20 » In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.
June 30 » A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
July 16 » Ringling Bros. and Barnum & Bailey Circus closes its last "Big Tent" show in Pittsburgh, Pennsylvania; due to changing economics, all subsequent circus shows will be held in arenas.
August 27 » The nuclear power station at Calder Hall in the United Kingdom was connected to the national power grid becoming the world's first commercial nuclear power station to generate electricity on an industrial scale.
September 16 » TCN-9 Sydney is the first Australian television station to commence regular broadcasts.
December 6 » A violent water polo match between Hungary and the USSR takes place during the 1956 Summer Olympics in Melbourne, against the backdrop of the Hungarian Revolution of 1956.
When copying data from this family tree, please include a reference to the origin: Willem van Gemert, "Family tree Van Gemert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-gemert/I481.php : accessed January 17, 2026), "Christina Wilhelmina Boone (1897-1956)".
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