The group agreed that secrecy would be vital — if Umbridge found out about them, they would surely be shut down and punished.However, each student signed, some rather reluctantly, a special piece of parchment to show their commitment.It was restarted by Neville Longbottom, Ginny Weasley, and Luna Lovegood during the 1997-1998 school year after Hogwarts fell under the control of Lord Voldemort in order to oppose Death Eater professors Alecto and Amycus Carrow, who spread propaganda against Muggles and Muggle-borns and taught the Dark Arts.
After Dobby told how to summon the Room to Harry, Hermione, and Ron, the D. Harry started them off slowly, practising the Disarming Charm (Expelliarmus).MCAAP is a Defense Ammunition Center that performs mission ready related operations. These two bases’ dedicated service is a tribute to the United States Army. A.) was a secret organisation initiated by Harry Potter, Hermione Granger, and Ron Weasley to teach their fellow Hogwarts colleagues proper Defence Against the Dark Arts in 1995.In the Hog's Head, Harry was surprised to see a fair number of students from Gryffindor, Hufflepuff, and Ravenclaw turn up, although he harboured the suspicion that a few, such as Zacharias Smith, only wanted to hear about the night Cedric Diggory was murdered.After some initial scepticism, the students started to list Harry's achievements — the survival of his parents' murder at Voldemort's hands in their family home and resulting defeat of the dark wizard himself as an infant (which earned Harry his fame from the wizarding community and the title "the Boy Who Lived"), rescue of the Philosopher's Stone from a disembodied Voldemort in his first year, slaying of the Basilisk of Slytherin in the Chamber of Secrets with the Sword of Gryffindor in his second year, vanquishing of the Dementors of Azkaban at the Black Lake with a corporeal stag Patronus Charm in his third year, and winning of the Triwizard Tournament and duel with the resurrected Voldemort within the Little Hangleton graveyard in his fourth year.