January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of death April 27, 1968
The temperature on April 27, 1968 was between 1.3 °C and 19.5 °C and averaged 12.7 °C. There was 12.7 hours of sunshine (87%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
March 2 » Baggeridge Colliery closes marking the end of over 300 years of coal mining in the Black Country.
June 5 » Presidential candidate Robert F. Kennedy is assassinated by Sirhan Sirhan.
July 23 » Glenville shootout: In Cleveland, Ohio, a violent shootout between a Black Militant organization and the Cleveland Police Department occurs. During the shootout, a riot begins and lasts for five days.
October 12 » Equatorial Guinea becomes independent from Spain.
November 15 » The Cleveland Transit System becomes the first transit system in the western hemisphere to provide direct rapid transit service from a city's downtown to its major airport.
December 31 » The first flight of the Tupolev Tu-144, the first civilian supersonic transport in the world.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I259339.php : accessed February 20, 2026), "Martina Antonia van Dulmen (1903-1968)".
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