1610 - Today in history, Galileo sighted four of Jupiter's moons, which he called Io, Europa, Ganymede, and Callisto.
1782 - The first commercial bank in the US known as the Bank of North America opened in Philadelphia.
1785 - On this day in history, French balloonist Jean-Pierre Blanchard made the first crossing of the English Channel by air.
1789 - Americans voted to choose George Washington to be the first US president.
1896 - Today in history, the "Fannie Farmer Cookbook" was published.
1904 - The distress signal "CQD" was established. Two years later "SOS" became the radio distress.
1927 - On this day in history, transatlantic phone service began between New York and London.
1953 - President Harry Truman announced the expansion of the hydrogen bomb.
1959 - Today in history, The United States recognized Fidel Castro's government in Cuba, after the fall of Fulgencio Batista.
1975 - OPEC agreed to raise oil prices by 10%, which helped the rise of global inflation.
1980 - On this day in history, President Jimmy Carter signed legislation that approved $1.5 billion for the bail-out of Chrysler.
1990 - The Leaning Tower of Pisa was closed to visitors. The hastened rate of "leaning" raised fears for safety.
1998 - Today in history, former intern Monica Lewinsky signed an affidavit denying that she had an affair with President Clinton.
1999 - President Bill Clinton went on trial before the Senate. It was only the second time in the history of the United States that a president had gone to trial due to impeachment.
2002 - On this day in history, Microsoft Corp.'s Bill Gates introduced a new device code which was a cross between a handheld computer and a TV remote control.
2010 - Apple's iPad was unveiled.
SCIENCE, DISCOVERIES, PATENTS - Today in History, January 7th
1894 - Today in history, W.K. Dickson obtained a patent for motion picture film.
1949 - The announcement of the first photograph of genes happened at the University of Southern California in Los Angeles.
1954 - On this day in history, The Duoscopic TV receiver first allowed the watching of two different shows at the same time.
SPORTS
1927 - The Harlem Globetrotters played their first game.
MUSIC HISTORY - Today in History, January 7th
1924 - Today in history, George Gershwin completed "Rhapsody in Blue."
1955 - Marian Anderson became the first African-American to sing at The Met.
1970 - On this day in history, Max Yasgur, whose farm was used for the Woodstock festival, was sued for $35,000 in property damages by neighboring farmers.
1997 - Prince made an appearance on the Rosie O'Donnell show.