How many horcrux's did harry have to find in order to kill voldemort? Including Tom Riddles diary

Lord Voldemort created 7 horcuxes: Riddle's Diary, Marvolo's Ring, Slytherin's Locket, Hufflepuff's cup, Ravenclaw's Diadem, Nagini, & Harry Potter.
Updated on Monday, February 06 2012 at 10:24PM GMT