March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 20 » Pierre and Marie Curie refine radium chloride.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
Day of death September 28, 1980
The temperature on September 28, 1980 was between 11.1 °C and 23.1 °C and averaged 16.3 °C. There was 5.2 hours of sunshine (44%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the ??. 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.
June 27 » The 'Ustica massacre': Itavia Flight 870 crashes in the sea while en route from Bologna to Palermo, Italy, killing all 81 on board.
July 24 » The Quietly Confident Quartet of Australia wins the men's 4 x 100 metre medley relay at the Moscow Olympics, the only time the United States has not won the event at Olympic level.
September 5 » The Gotthard Road Tunnel opens in Switzerland as the world's longest highway tunnel at 10.14 miles (16.32km) stretching from Göschenen to Airolo.
September 26 » At the Oktoberfest terror attack in Munich 13 people die and 211 are injured.
October 26 » The Peter Muhlenberg Memorial in Washington, D.C. is dedicated.
November 12 » The NASA space probe Voyager I makes its closest approach to Saturn and takes the first images of its rings.
When copying data from this family tree, please include a reference to the origin: Luke Broersma, "Broersma Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/broersma-family-tree/I16951.php : accessed April 30, 2025), "Emma Koops (1902-1980)".
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