Never wondered how you got that mark on yer forehead? That was no ordinary cut. That's what yeh get when a Powerful, evil curse touches yeh -- took care of yer mum an' dad an' yer house, even -- but it didn't work on you, an' that's why yer famous, Harry.
Harry Potter and the Philosopher's Stone Page 43
This is what Hagrid told Harry in the introductional days of Harry in the Wizarding world...
There are many great wizards in history. Many have cast curses. Many curses have touched people. Therefore, there should be many such marks on people's foreheads.
Are there any other examples of this?
I want canon based answers. I have been told that the HP wiki is false. So, no answers from there please. Any other source is valid...