July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of death February 14, 1980
The temperature on February 14, 1980 was between -2.1 °C and 5.2 °C and averaged 1.6 °C. There was 0.2 mm of rain. There was 0.9 hours of sunshine (9%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-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.
May 14 » Salvadoran Civil War: the Sumpul River massacre occurs in Chalatenango, El Salvador.
June 1 » Cable News Network (CNN) begins broadcasting.
June 3 » The 1980 Grand Island tornado outbreak hits Nebraska, causing five deaths and $300million (equivalent to $931million in 2019) worth of damage.
July 1 » "O Canada" officially becomes the national anthem of Canada.
August 1 » Vigdís Finnbogadóttir is elected President of Iceland and becomes the world's first democratically elected female head of state.
August 27 » A massive bomb planted by extortionist John Birges explodes at Harvey's Resort Hotel in Stateline, Nevada after a failed disarming attempt by the FBI. Although the hotel is damaged, no one is injured.
When copying data from this family tree, please include a reference to the origin: Jan van Ham, "Family tree Hamier", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hamier/I154.php : accessed March 15, 2026), "Adrianus Norbertus Antonius Haans (1897-1980)".
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