He destroyed the diary with a Basilisk fang; the other ones were destroyed by other people.
Harry Potter didn't make any Horcruxes.
Harry didn't make Horcruxes, Voldemort did.
Harry Potter defeated Lord Voldemort in the chamber of secrets by stabbing Lord Voldemorts diary, which was one of the horcruxes
In the Harry Potter series, Harry is trying to stop He-Who-Must-Not-Be-Named (Volderemort) from taking over the magical world, so he has to destroy all horcruxes and defeat the villian.
Harry Potter didn't have Horcruxes; Voldemort did.Voldemort's Horcruxes were:The diary.Marvolo Gaunt's ring.Salazar Slytherin's locket.Helga Hufflepuff's cup.Rowena Ravenclaw's diadem.Harry Potter.Nagini.
For the most part, Harry, Ron and Hermione are searching for horcruxes to defeat voldmort once and forall. It continues into part2
Search for horcruxes so he can kill voldemort
The remaining horcruxes.
Horcruxes were first mentioned in Harry Potter and the Half-Blood Prince and featured heavily as part of the storyline which then continued in Harry Potter and the Deathly Hallows.
In Harry Potter and the Chamber of Secrets. Tom Riddle's diary.