What Happened on September 5, 1977

• Cleveland Indians stage 1st "I hate the Yankee Hanky Night", inspired by local radio personality Pete Franklin; home team sweeps a doubleheader over New York at Cleveland Municipal Stadium

• NASA launches Voyager 1 on a mission to initially just fly-by Jupiter and Saturn, later Uranus and Neptune also (2012 becomes the first human-made object to leave the solar system)
• Red Army Faction kidnaps and subsequently murders West German business executive Hanns Martin Schleyer

• Alexey Harkov, Russian bassist (Kipelov, Sergey Mavrin), born in Khimki, Moscow
• Joseba Etxeberria, Spanish football winger, born in Elgoibar, Spain
• Minoru Fujita, Japanese professional wrestler, born in Onoda, Yamaguchi
• Nazr Mohammed, American basketball player, born in Chicago, Illinois
• Rosevelt Colvin, American football linebacker (Super Bowl 2003, 04; NE Patriots) and analyst (Big Ten Network), born in Indianapolis, Indiana

• George Barnes, American swing-jazz and session guitarist, and electric guitar pioneer, dies of a heart attack at 56
• Marcel Thiry, Belgian writer and wallon militant, dies at 80

Holidays: Labor Day (United States), Labour Day (Canada)

• #1 Song: Best Of My Love - The Emotions
• #1 Song: Way Down - Elvis Presley