Dates
The day Harry Potter was born.
July 31, (1980)
The house Cho Chang belongs to.
Ravenclaw
The item used to destroy Salazar Slytherin's Locket.
The Sword of Godric Gryffindor
Albus Dumbledore's 1991 Christmas Gift to Harry Potter.
(James Potter's) Invisibility Cloak
The name of Harry's snowy owl.
Hedwig
Hogwarts first day of fall term.
September 1
The location she and Harry Potter shared their first kiss.
The Room of Requirement
The Deathly Hallow that makes up part of Marvolo Gaunt's family ring.
The Resurrection Stone
The gift Sirus Black anonymously sent Harry Potter on Christmas 1993.
A Firebolt
An owl's primary job in the wizarding world.
To deliver mail
The day Lord Voldemort killed Lily and James Potter.
October 31, (1981)
Cho Chang's friend who turned Dumbledore's Army into Delores Umbridge.
Marietta Edgecomb
The only Horcrux destroyed by Harry Potter in the novel series.
Tom Riddle's Diary
Though he hates it, Ron Weasley's mother, Molly, always knits his Christmas jumper with this colour wool.
Maroon
The official name for the battle in which Harry's Owl sacrificed herself to save him from a killing curse.
The Battle of the Seven Potters (Or the Battle Over Little Whinging)
The Battle of Hogwarts.
May 2, (1998)
The novel in which Cho makes her first appearance.
The Prisoner of Azkaban
The second Horcrux Harry Potter destroys (in the film series only).
Rowena Ravenclaw's Lost Diadem
Dobby the House Elf's 1994 Gift to Harry
A red broomstick sock and a green snitch sock
The Part of Hogwarts Castle that houses Hedwig and the other owls.
The Owlery
The day that Fred, George, and Ron Weasley fly Arthur Weasley's enchanted Ford Anglia to Privet Drive.
August 3, (1992)
The form her Patronus takes.
A swan
The character who destroyed a Horcrux in the Room of Requirement.
Vincent Crabbe
The house-elf who gifted Harry a bag of maggots for Christmas 1996.
Kreacher
The name of Ron Wesley's personal owl. (Not Errol).
Pigwidgeon