January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
May 1 » The Scofield Mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
Day of marriage May 5, 1927
The temperature on May 5, 1927 was between 10.6 °C and 25.0 °C and averaged 17.4 °C. There was 1.5 mm of rain. There was 8.4 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 9 » A fire at the Laurier Palace movie theatre in Montreal, Quebec, Canada, kills 78 children.
May 9 » Old Parliament House, Canberra officially opens.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
May 18 » The Bath School disaster: Forty-five people, including many children, are killed by bombs planted by a disgruntled school-board member in Michigan.
July 10 » Kevin O'Higgins TD, Vice-President of the Executive Council of the Irish Free State is assassinated by the IRA.
November 12 » Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
When copying data from this family tree, please include a reference to the origin: Hans Docter, "Family tree Docter", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-docter/I950.php : accessed February 22, 2026), "Klaas Docter (1900-)".
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