We are celebrating 20 Years of the Lexicon
with a 
Magenta Comstock dies
Timeline
- : Slytherin wins both the Quidditch Cup and the House Cup (1990)
- : Aunt Marge come to Dudley's tenth birthday party
- : Harry Potter's 10th birthday
- : Quidditch World Cup 1990
- : The Gryffindor Quidditch team is particularly poor this year (1990-1991)
- : Cho Chang is sorted into Ravenclaw
- : Cormac McLaggen is sorted into Gryffindor
- : Katie Bell is sorted into Gryffindor
- : Magenta Comstock dies
- : Arcturus Black, grandfather of Sirius and Regulus, dies
- : Nymphadora Tonks leaves Hogwarts and starts training as an Auror
- : Slytherin wins both the Quidditch Cup and the House Cup (1991)
- : A very exciting trip to the zoo for Dudley's eleventh birthday
- : Harry's Hogwarts letters begin arriving
- : Harry is moved into Dudley's second bedroom
- : A barrage of letters drives the Dursleys from their home
- : Harry's Eleventh Birthday
Sources