Ron was also appalled when he opened the gift sent by his girlfriend Lavender Brown — a necklace with the words "my sweetheart" in gold. He was shocked that Lavender could think he would like such an item, and chucked it under his pillow. Harry received a parcel full of maggots from Kreacher, but declared that he still preferred it to Ron's necklace.

A necklace with the words 'My sweetheart' in gold

Durring their 6th year, Harry receives an interesting gift from Kreacher the house elf for Christmas. What was it?

Ron stayed behind with Harry, as did Percy, Fred, and George. The Weasley parents were off visiting their older brothers that year. 

Durring Harry's first year at Hogwarts he choses to stay at Hogwarts over the Christmas Holiday. Who stays with him?

Polyjuice potion was intended for human use, and Hermione mistakes cat hair on one of the Slytherin's robes as human hair and ends up turning partially into a cat.

She accidently used cat hair instead of human hair. 

The potion brewed was polyjuice potion, but something went wrong with Hermione's batch. What was it?

The Minister had only wanted to come in order to try to convince Harry to cooperate with the Ministry of Magic, which he refused to do. Scrimgeour, offended, soon left, along with Percy, whose siblings threw mashed parsnip at him.

Who is the unexpected visitor who arrives durring the Christmas holiday durring their 6th year?

On Christmas Eve, Harry and Hermione ventured to Godric's Hollow, where they were attacked by Nagini.

What town to Harry and Hermione visit on Christmas Eve durring what should be their 7th year at Hogwarts and they are on the run?

What does Mrs. Weasley make for Harry and Ron their first year at Hogwarts for Christmas? 

What does Harry receive as a Christmas gift their third year that causes Hermione to think that it was given by Sirius Black?

The trio brewed polyjuice potion to use on the Slytherin's to try and determine who was opening the chamber of secrets.

Durring their Second year at Hogwarts Harry, Ron and Hermione stay behind to brew a potion and use it while there are less staff and students around. Which potion is it?

For Christmas, Harry received his late father's Cloak of Invisibility from Albus Dumbledore. 

Who gave Harry the invisibility cloak that he received as a Christmas gift his first year?

Everyone gathers at 12 Grimmauld Place to help celebrate Christmas after Harry sees Voldemort's attack on Mr. Weasley in his dreams.

What is the name of the house that everyone is at to celebrate Christmas in this scene from their 5th year?

The band was played by Jarvis Crocker and Johnny Greenwood (among others) and played a song called "Do the Hippogriff"

Move your body like a hairy troll...Learn' to rock and roll...Spin around like a crazy elf...Dancin' by himself...Boogie down like a unicorn...Don't stop till the break of dawn...

What is the name of the band who played at the Yule ball in their 4th year?

Ron asks Hermione as a back up plan, but she had already been asked by Viktor Krum who was visiting from Durmstrang. 

Who is Hermione's date to the Yule ball in their 4th year?

Test your Harry Potter trivia skills with 12 questions related to the Christmas season in Harry Potter.