January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
February 27 » Fußball-Club Bayern München is founded.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death June 11, 1978
The temperature on June 11, 1978 was between 10.0 °C and 17.2 °C and averaged 13.3 °C. There was 5.4 hours of sunshine (32%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 24 » Soviet satellite Kosmos 954, with a nuclear reactor on board, burns up in Earth's atmosphere, scattering radioactive debris over Canada's Northwest Territories. Only 1% is recovered.
March 5 » The Landsat 3 is launched from Vandenberg Air Force Base in California.
March 22 » Karl Wallenda of The Flying Wallendas dies after falling off a tight-rope suspended between two hotels in San Juan, Puerto Rico.
May 3 » The first unsolicited bulk commercial email (which would later become known as "spam") is sent by a Digital Equipment Corporation marketing representative to every ARPANET address on the west coast of the United States.
June 25 » The rainbow flag representing gay pride is flown for the first time during the San Francisco Gay Freedom Day Parade.
August 22 » The District of Columbia Voting Rights Amendment is passed by the U.S. Congress. The proposed amendment would have provided the District of Columbia with full voting representation in the Congress, the Electoral College, and regarding amending the U.S. Constitution. The proposed amendment failed to be ratified by enough states (ratified by 16, needed 38) and so did not become part of the Constitution.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I5312.php : accessed January 17, 2026), "Walter Francis Loubser (1900-1978)".
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