#TodayInHistory – January 7
January 7 – Some important events on this day
1584 ๐๐ผ Last day of the Julian calendar in Bohemia & Holy Roman empire
1610 ๐๐ผ Galileo Galilei discovers the first three moons of Jupiter: Io, Europa & Ganymede
1714 ๐๐ผ Typewriter patented by Englishman Henry Mill (built years later)
1785 ๐๐ผ 1st balloon flight across English Channel by Jean Pierre Blanchard and John Jeffries
1797 ๐๐ผ The modern Italian flag is first used
1894 ๐๐ผ Early 5 second film of Fred Ott sneezing shot by Edison Manufacturing – 1st ever copyrighted
1929 ๐๐ผ “Tarzan”, one of the 1st adventure comic strips, 1st appears
1930 ๐๐ผ Marguerite Perey discovers francium (Fr), the last naturally occurring element to be found
1941 ๐๐ผ Chinese Kuomintang forces under orders from Chiang Kai-shek open fire on the surrounded Communist New Fourth Army at Maolin, Anhui Province, killing or capturing 7,000 troops
1950 ๐๐ผ “Rudolph the Red-Nosed Reindeer” is the #1 song on the U.S. pop charts
1953 ๐๐ผ US President Harry Truman announces American development of the hydrogen bomb
1954 ๐๐ผ Georgetown-IBM experiment, 1st public demonstration of a machine translation system, is held at IBM’s head office in New York
1955 ๐๐ผ Marian Anderson becomes the 1st African American to perform with the New York Metropolitan Opera
1990 ๐๐ผ Tower of Pisa closed to the public after leaning too far
1999 ๐๐ผ President Bill Clinton’s impeachment trial begins in the US Senate after the House voted to impeach him for lying about his affair with Monica Lewinsky
2018 ๐๐ผ It snows in the Sahara desert
2020 ๐๐ผ 6.4 magnitude earthquake in Puerto Rico, island’s largest in a century, followed by many aftershocks kill 1 person and destroy 800 homes
2019 ๐๐ผ Amazon overtakes Microsoft to become the world’s most valuable listed company for the first time, worth $797 billion