Event:
1st U.S. airmail stamps issued (24 cents )
More Notable Events on May 13:
1992 3 astronauts simultaneous walked in space for the 1st time
1989 Approx 2,000 students begin hunger strike in Tiananmen Square, China
1983 Reggie Jackson is 1st major leaguer to strike out 2,000 times
1981 Pope John Paul II shot, wounded by assailant in St. Peter's Square
1952 Pandit Nehru becomes premier of India
