• Source Harry and his classmates have their first Divination lesson with Firenze in a new classroom, Marietta Edgecombe tells Professor Umbridge about the meeting of Dumbledore’s Army, but suffers the effects of Hermione’s jinx, Dobby warns Harry that the D.A. has been found… Read More
• Event Marietta Edgecombe squeals on the D.A. to Umbridge. Rather than let Harry get expelled, Dumbledore takes the fall instead and is removed from Hogwarts. Unwilling to “go quietly,” he instead makes a dramatic escape. Read More
• Source Dolores Umbridge replaces Albus Dumbledore as Head of Hogwarts, the students (with the help of Fred and George’s inventions) rebel while the staff sit back and watch, and Umbridge tries to get Harry to tell her where Dumbledore is hiding.  Harry confronts Cho Chang… Read More
• Event When the D.A. is caught at practice, Dumbledore takes the blame and leaves the school. By order of her own Educational Decree 28, Hogwarts High Inquisitor Dolores Umbridge becomes the Headmistress. Unhappy with this development, the students soon revolt (OP28). Read More