1/5 On February 7, 1973, the U.S. Senate voted to set up a committee to investigate a break-in at the Democratic National Headquarters in Washington's Watergate complex. File Photo by Alexis C. Glenn/UPI | License Photo Feb. 7 (UPI) -- On this date in history: In 1497, the Bonfire of the Vanities in Florence, Italy, took place when followers of Girolamo Savonarola burned thousands of books, art and cosmetics. Advertisement In 1940, British railroads were nationalized. In 1964, the Beatles arrived in the United States for the first time and immediately set off a frantic wave of "Beatlemania." In 1973,...