Event:
90-year-old Jimmy Carter, former U.S. president, announces that he has an unspecified cancer that has spread throughout his body; the cancer was discovered during a recent liver surgery
More Notable Events on August 12: 1994 Stephen G. Breyer, sworn in as Supreme Court Justice
1981 IBM introduces PC and PC-DOS version 1.0
1977 Space shuttle Enterprise makes 1st atmospheric flight
1953 Soviet Union conducts secret test of its 1st hydrogen bomb
1898 Hawaii formally annexed to U.S.
