The Highway Act is signed, strating the Interstate Highway System.  
The second of Ephemeris Time is adopted as the universal unit of time.  The Highway Act is signed, strating the Interstate Highway System.  Yul Brynner wins the Best Actor Oscar for The King and I and stars opposite Best Actress Ingrid Bergman in Anastasia.  Bardeen, Brittain, and Shockley share the Nobel Prize for Physics.  Don Larsen throws the only perfect game in World Series History.  And the Soviets crush a rebellion in Hungary.  FTP name the year.
The second of Ephemeris Time is adopted as the universal unit of time.  
1956