The following events occurred in the year 1975:
- James Potter, Sirius Black and Peter Pettigrew become Animagi, thus officially naming themselves the Marauders, along with Remus Lupin.
- James Potter, Sirius Black, Remus Lupin and Peter Pettigrew create the Marauder's Map.
- Mundungus Fletcher is banned from the Hog's Head.
- Hairy Snout, Human Heart, by an anonymous author, is published by Whizz Hard Books.
- The Decree Number 189.OL5 is passed, probably by the Department of Magical Education.
- 1975 on Wikipedia
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