Since 1999, the crèche appears annually during the winter season from November's Light Up Night to Epiphany in January.
In 1989, local attorney Roslyn Litman[2] pursued a case to the Supreme Court, which banned a nativity scene displayed in the Allegheny Courthouse due to its religious implications (in violation of the Establishment clause) in County of Allegheny v. American Civil Liberties Union.
[3][self-published source][4] In the wake of this ruling, managers of the U.S. Steel Tower erected their own version of a crèche in downtown Pittsburgh, this time on privately-owned land.
Astorino Companies, traveled to Rome and was inspired to recreate the nativity scene in Pittsburgh.
The original 1999 display featured baby Jesus, Mary, Joseph, the Three Kings, two shepherds, and an assortment of animals.