Halowe'en

halowe'en is celebrated by wizards in much the same way that it is celebrated by muggle

Halowe'en at Hogwarts

At Hogwarts, there is an annual Halowe'en feast, with live bats in the enchantes ceiling, as well as other decorations such as traditional pumpkins and the like.

Halowe'en 1980

Halowe'en 1980 is the date that Lily and james potter were killed, and Harry survived the curse, due to Lily's protection.

Halowe'en 1991

During the halowe'en feast, professer Quirrell lets in a troll, and tells everyone during the feast that it is there. Harry and Ron rescue hermione from it, starting their friendship.

Halowe'en 1994

halowe-en 1994 is the date that tri-wizard champion wanna-be's had to put their names in the cup by, if they wanted to compete, and when Dumbledore read out the competitors names.