Yes, there were two wars. Both caused by the same Dark Lord, the most evil wizard in our world. But thankfully he was eventually defeated. Wow, you want to teachTaught by McGonagall would be so awesome and Sure, I'd welcome any magical lesson and instruction you could give me. Consider me interested. There is a similarity on the Auror part. It's sort of like.. what muggle police do but with magic.
You're welcome. Have you also heard that Merlin can show up here? He has a couple times already, one of which time led to he and I being friends. He was young though, no beard. Still superb, though. One good thing about this place is it's a chance to meet people you normally wouldn't have seen back home or anywhere else.