The temperature on May 30, 1909 was between 9.2 °C and 19.7 °C and averaged 14.2 °C. There was 4.7 hours of sunshine (29%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
Day of marriage June 28, 1938
The temperature on June 28, 1938 was between 12.5 °C and 18.2 °C and averaged 15.4 °C. There was 3.5 hours of sunshine (21%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
July 3 » World speed record for a steam locomotive is set in England, by the Mallard, which reaches a speed of 125.88 miles per hour (202.58km/h).
July 10 » Howard Hughes begins a 91-hour airplane flight around the world that will set a new record.
October 1 » Germany annexes the Sudetenland.
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
When copying data from this family tree, please include a reference to the origin: Frank Coster, "Family tree Coster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_coster/I4359.php : accessed January 3, 2026), "Herman Coster (1909-)".
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