the snake at the zoo is one of them. he accidently removed the glass that dudley was leaning on that made him fall into a snakes cage. the snake slithered away after telling harry "thanks" and harry replaced the glass that trapped dudly.
Hagrid told him he was a wizard.
Lily Luna Potter, Harry's daughter, would have grown up knowing because all her family would be magical. Lily Evans, Harry's mother, was told by Severus Snape and it was confirmed by her Hogwarts letter. Somebody would have come and explained it to her parents like Hagrid did with Harry (only they thought he knew).
Rubeus Hagrid.
Hagrid decided to buy Harry's animal and gift it to him as a birthday present. Hagrid is allergic to cats as they make him sneeze and Toads were old fashioned, students would have laughed at and made fun of Harry and Hagrid didn't want that
As far as I can remember, the books don't really analyze this question. However, there are a few points that may have helped Harry believing Hagrid:* Hagrid's personality may have helped. * Hagrid himself is "unbelievable", being a half-giant. * Hagrid did some magic himself. * The letter from Hogwarts. * Uncle Vernon's reaction to Hagrid wanting to tell Harry the truth. * Harry's previous experiences with magic (he had accidentally done magic, now and then).
Among the many facts that Harry Potter learned from Rubeus Hagrid are that Harry is a wizard and that his parents were not killed in a car crash, but murdered by Lord Voldemort. Throughout his years at Hogwarts, Harry learns others things from Hagrid who becomes his Care of Magical Creatures professor for three years.
A half-giant named Hagrid breaks into a house where Harry and his aunt, uncle, and cousin are hiding. Hagrid gives Harry a smashed birthday cake, tells him he's a wizard, invites him to the wizard school, Hogwarts, gives Harry's cousin a pig's tail, and takes Harry away to get him ready for school.
Hagrid told him he was a wizard.
Harry Potter is told he is a wizard by Rubeus Hagrid, Keeper of Keys at Hogwarts in Chapter 2.
I would ask Hagrid if it is Wizard April Fools. (Even if it was July 31st)---- I would ask if this was a BIG joke or something. ---- Well, there aren't many things you can ask a giant if he tells you you are a wizard. You think there are many questions in your head but your just curious.----
The person who takes Harry from the Dursleys, was Hagrid.
Rubeus Hagrid bought Harry Potter an owl, which Harry named Hedwig.
Hagrid's Mother. She is a giant and had relations with a wizard but she then left him to care for Hagrid and had relations with another giant giving Hagrid a half brother called Grawp. In OOTP Hagrid says that he was told that she died years ago.
Lily Luna Potter, Harry's daughter, would have grown up knowing because all her family would be magical. Lily Evans, Harry's mother, was told by Severus Snape and it was confirmed by her Hogwarts letter. Somebody would have come and explained it to her parents like Hagrid did with Harry (only they thought he knew).
Hagrid got Harry a pet owl named Hedwig.
Hagrid left Harry with his relatives, the Dursley's, who live in Surrey.
On Lego Harry Potter, Hagrid's beard is black.