How do you resolve History Monks, and does the discard pile become the new draw pile?

Question

Accepted Answer

No. Shuffle the discard pile, draw four cards from it, then return the remaining cards to the discard pile with History Monks placed on top. The discard pile does not become the draw pile.

Discworld: Ankh-Morpork

How do you resolve History Monks, and does the discard pile become the new draw pile?