#TodayInHistory – January 7
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January 7 – Some important events on this day
1584 ππΌ Last day of the Julian calendar in Bohemia & Holy Roman empire
1610 ππΌ Galileo Galilei discovers the first three moons of Jupiter: Io, Europa & Ganymede
1714 ππΌ Typewriter patented by Englishman Henry Mill (built years later)
1785 ππΌ 1st balloon flight across English Channel by Jean Pierre Blanchard and John Jeffries
1797 ππΌ The modern Italian flag is first used
1894 ππΌ Early 5 second film of Fred Ott sneezing shot by Edison Manufacturing – 1st ever copyrighted
1929 ππΌ “Tarzan”, one of the 1st adventure comic strips, 1st appears
1930 ππΌ Marguerite Perey discovers francium (Fr), the last naturally occurring element to be found
1941 ππΌ 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 ππΌ “Rudolph the Red-Nosed Reindeer” is the #1 song on the U.S. pop charts
1953 ππΌ US President Harry Truman announces American development of the hydrogen bomb
1954 ππΌ Georgetown-IBM experiment, 1st public demonstration of a machine translation system, is held at IBM’s head office in New York
1955 ππΌ Marian Anderson becomes the 1st African American to perform with the New York Metropolitan Opera
1990 ππΌ Tower of Pisa closed to the public after leaning too far
1999 ππΌ 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 ππΌ It snows in the Sahara desert
2020 ππΌ 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 ππΌ Amazon overtakes Microsoft to become the world’s most valuable listed company for the first time, worth $797 billion