LOOKING BACK

1969: James Earl Ray pleaded guilty in Memphis, Tenn., to assassinating civil rights leader Martin Luther King Jr. (Ray later repudiated that plea, maintaining his innocence until his death.)

1973: The Pink Floyd album “The Dark Side of the Moon” was first released in the U.S.

1988: Pop singer Andy Gibb died in Oxford, England, at age 30 of heart inflammation.