The art of dying, I used to presume it dated back to The Romans but it is actually from the middle ages.

I can't remember why I chose it originally, it might have been that when I registered all those years ago, I was listening to Ars Moriendi by Mr Bungle https://www.youtube.com/watch?v=KX0gqT44_cM&feature=kp but I can't honestly remember.