What Year Is It (17)?

Clues:

The first episode of Saturday Night Live airs; David Beckham and Russell Brand are born; Walker Evans dies; Jimmy Hoffa is reported missing; kidnap victim/fugitive Patty Hearst is captured in San Francisco; incredibly, The Captain and Tennille’s “Love Will Keep Us Together” is the top song of the year; Bill Gates founds Microsoft; and Wheel of Fortune makes its debut on NBC.