Big List of Harry Potter 7's

Sevens in Harry Potter:

• 7 years at Hogwarts
• 7 floors of Hogwarts
• 7 galleons for a wand
• 7 positions in quidditch
• 7 tasks in the Sorceror’s Stone
• 7 potions in task 6
• 7 Weasley children
• Ginny is the 1^st Weasley girl in 7 generations.
• Gryffindor beats Slytherin for the house cup for the first time in 7 years in the Sorceror’s Stone
• 7 books Gilderoy Lockhart requires for DADA (CoS)
• 7 muggles see Harry and Ron fly the car (CoS)
• 7 days of Aunt Marge (PoA)
• Arthur Weasley wins 700 galleons (PoA).
• 7 tear drops on Hagrid’s letter to Hermione (PoA).
• 7 people in the Shrieking Shack (PoA): Harry, Hermione, Ron, Sirius, Lupin, Snape, and Pettigrew.
• Voldemort killed Frank Bryce who was 77 to make the 7^th horcrux.
• 7 locks on Moody’s trunk (GoF)
• Dobby has 7 socks (GoF)
• Unicorns don’t turn pure white until they’re 7 years old. (GoF)
• Harry was “born as the 7^th month dies…” (OotP)
• 7 memories of Tom Riddle (HBP)
• Harry and Ron get 7 O.W.L.s each (HBP)
• 7DADA teachers
• 7 questions Bellatrix asks Severus in Spinner’s End
• 7 Harry Potters with 7 Order members
• 7 races in the wizarding world: Human, Giant, Goblin, Centaur, Elf, Werewolf, Veela
• There are 142 stairs at Hogwarts which adds to 7 (1+4+2=7)
• Cleansweep 7
• Gryffindor Tower is located on the 7th floor
• Nicholas Flamel and his wife have 7 years age difference
• 7 hidden passageways out of Hogwarts on the Marauders’ Map
• Flitwick’s office (where Sirius is locked in PoA) is on the 7th floor
• 700 ways to commit a foul in Quidditch.
• The Tri-Wizard Tournament was first established 700 years before it’s appearance in the GoF.
• Fred and George charge 7 sickles for a canary cream
• Clause Seven of the Decree states that magic may be used before Muggles in exceptional circumstances
• The Room of Requirement, used for DA meetings, is on the 7th floor. (OotP)
• Cormac McLaggen’s mother was married 7 times. (HBP)
• 7 death eaters at the tower in HBP: Draco, Fenrir, Amycus, Alecto, tall blond, Snape, Gibbon as well as 7 members of the Order and the DA: McGonagall, Tonks, Lupin, Neville, Ginny, Hermione, Ron
• Lily began going out with James in their 7th year at Hogwarts
• The prophecy is in row 97 in the Department of Mysteries
• There are 7 Animagi registered with the Improper Use of Magic Office
• 7 people locked in the Malfoy’s cellar (DH): Ollivander, Luna, Dean, Harry, Dean, Ron, and Griphook

Found HERE

(Not Original Source)