TODAY IN HISTORY

1965: President Lyndon B. Johnson enrolls the first Medicare beneficiary—former President Harry S. Truman—after signing the Medicare bill into law.

1945: Four days after delivering the atomic bomb used on Hiroshima, the USS Indianapolis is torpedoed and sunk by a Japanese submarine. Only 316 out of 1,196 men survive the shark-infested waters.

1975: Teamsters president Jimmy Hoffa disappears in Michigan. His body is never found .