April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
Day of marriage June 7, 1928
The temperature on June 7, 1928 was between 9.7 °C and 18.6 °C and averaged 14.2 °C. There was 7.6 mm of rain. There was 5.1 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
May 15 » Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy".
June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
October 28 » The "Indonesia Raya", now the national anthem, is first played during the Second Indonesian Youth Congress.
November 1 » The Law on the Adoption and Implementation of the Turkish Alphabet, replaces the Arabic alphabet with the Latin alphabet.
December 17 » Indian revolutionaries Bhagat Singh, Sukhdev Thapar and Shivaram Rajguru assassinate British police officer James Saunders in Lahore, Punjab, to avenge the death of Lala Lajpat Rai at the hands of the police. The three were executed in 1931.
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/I92.php : accessed January 25, 2026), "Leonardus Dusomos (1902-1975)".
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