March 17th is the celebration of St Patrick's Day. On this day many Irish citizens are joined by people who supposedly have Irish ancestry and those who just need an excuse to drink heavily as they take to the streets (and pubs) to celebrate the Irish patron saint. Calendar Man has his own little way of celebrating. He requests the presence of Batman so that he can tell him a story in Batman: Arkham City (Xbox 360)
and Batman: Arkham City (PC)
. This story will count towards these achievements:
Don't forget now, or he'll be sure to play an evil trick on you the next time that you're due to visit!