March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of death July 19, 1980
The temperature on July 19, 1980 was between 14.3 °C and 16.9 °C and averaged 15.4 °C. There was 10.0 mm of rain during 9.8 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
February 26 » Egypt and Israel establish full diplomatic relations.
May 9 » In Norco, California, five masked gunmen hold up a Security Pacific bank, leading to a violent shoot-out and one of the largest pursuits in California history. Two of the gunmen and one police officer are killed and thirty-three police and civilian vehicles are destroyed in the chase.
August 14 » Lech Wałęsa leads strikes at the Gdańsk, Poland shipyards.
August 19 » Saudia Flight 163, a Lockheed L-1011 TriStar burns after making an emergency landing at King Khalid International Airport in Riyadh, Saudi Arabia, killing 301 people.
September 30 » Ethernet specifications are published by Xerox working with Intel and Digital Equipment Corporation.
October 17 » As part of the Holy See–United Kingdom relations a British monarch makes the first state visit to the Vatican.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I252691.php : accessed January 20, 2026), "Gregorius Maas (1903-1980)".
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