On This Day
January 7
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This Day in History
GalileoMarian AndersonThermonuclear Explosion
1610: Astronomer Galileo observes four satellites orbiting Jupiter. These are the first satellites seen orbiting another planet.
Learn more about Galileo.

1785: French aeronaut Jean Pierre Blanchard and American physician John Jeffries of Boston are the first to successfully cross the English Channel in a gas balloon.
Learn more about the English Channel.

1913: The process to obtain gasoline from crude oil is patented.
Learn more about gasoline.

1927: Commercial phone service across the Atlantic begins.
Learn more about the telephone.

1953: President Harry Truman announces the development of the hydrogen bomb.
Learn more about the hydrogen bomb.

1955: Marian Anderson is the first black singer to perform at the Metropolitan Opera House.
Learn more about Marian Anderson.
Born On This Day
Jacques Étienne Montgolfier, French aviator (1745)

Jean Pierre Rampal, French flutist (1922)

Albert Bierstadt, American painter (1830)
Mystery Person of the Day
Who am I?
Who am I? Born on this day in 1800, I was the 13th president of the United States.
Your Astrological Sign
The symbol of Capricorn is the mountain goat. Capricorns are considered responsible, serious, and ambitious. Sometimes pessimistic, they trust what has proved valuable in the past. They need security, and work to achieve it. Learn more about Capricorn.
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