A Number on the Roman Calendar Running time: 25 minutes Cast: 2m, 1f It’s Dec. 31, in the year of Our Lord, 999. Will and Margery sit on a hill and wait for the end of the world. It is very cold. They’re out of turnips. Then the Pope shows up. A comedy. A Number on the Roman Calendar is published in Best American Short Plays 2010-11 Purchase a copy on Amazon.com here. Purchase a copy from Hal Leonard Books here.