LL Cool J Delivers a Knockout On MTV Unplugged     1991 For the first time, MTV Unplugged features rap acts, with De La Soul, MC Lyte, A Tribe Called Quest and LL Cool J performing. LL steals the show with a shirtless rendition of "Mama Said Knock You Out." Read the full story   More Events:   1995 Nancy Sinatra, 54, appears on the cover of Playboy magazine. In her centerfold, she wears only her famous boots.   1965 British Invasion band Herman's Hermits hit #1 in America with "Mrs. Brown You've Got A Lovely Daughter," a very English song first heard on a BBC show called The Lads in 1963.   1967 Tim McGraw is born Samuel Timothy McGraw in Delhi, Louisiana. His dad is pro baseball player Tug McGraw of the New York Mets and Philadelphia Phillies.   See More Events