January 22 » Edward VII is proclaimed King after the death of his mother, Queen Victoria.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
November 13 » The 1901 Caister lifeboat disaster.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death May 11, 1980
The temperature on May 11, 1980 was between 5.9 °C and 21.0 °C and averaged 14.4 °C. There was 14.5 hours of sunshine (94%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
March 23 » Archbishop Óscar Romero of El Salvador gives his famous speech appealing to men of the El Salvadoran armed forces to stop killing the Salvadorans.
April 7 » During the Iran hostage crisis, the United States severs relations with Iran.
July 30 » Israel's Knesset passes the Jerusalem Law.
August 26 » After John Birges plants a bomb at Harvey's Resort Hotel in Stateline, Nevada, in the United States, the FBI inadvertently detonates the bomb during its disarming.
September 11 » A new constitution of Chile is established under the influence of then Chilean dictator Augusto Pinochet, which is subject to controversy in Chile today.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I201591.php : accessed December 25, 2025), "Roelof Bakker (1901-1980)".
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