Event:
Space Shuttle test model "Enterprise" carries a crew aloft for 1st time, It was fixed to a modified Boeing 747
More Notable Events on June 18:
1986 52 die in plane and helicopter collision over Grand Canyon
1979 President Carter and Leonid I Brezhnev sign SALT 2 treaty
1948 American Library Association adopts Library Bill of Rights
1934 U.S. Highway planning surveys nationwide authorized
1873 Susan B. Anthony fined $100 for attempting to vote for President