An environmental feature in BioShock Infinite's Burial at Sea DLC.
The calendar resides on alternate Booker DeWitt's desk in Rapture.
Date[edit]
The date on the calendar reads,
December 31, 1958.
Fans of BioShock know that this is the night that Rapture erupted into civil war, destroying the city and turning it into what players saw in the first title.
