Event:
Navy launches Vanguard 1 into orbit (2nd U.S.), measures Earth shape
More Notable Events on March 17:
1997 CNN begins spanish broadcasts
1995 U.S. approves 1st chicken pox vaccine, Varivax by Merck
1969 Golda Meir becomes Israel's 4th PM
1966 U.S. submarine locates missing H-bomb in Mediterranean
1959 Dalai Lama flees Tibet for India
