The Mystery Play happened in 1994-01.
The Mystery Play was created in 1994.
Eggerland Mystery happened in 1985.
The Mystery of the Druids happened in 2001.
Mystery House happened in 1980.
Mystery in London happened in 2007.
Mystery Circle happened in 1992.
Tarot Mystery happened in 1995.
The Mystery Play has 76 pages.
The Mousetrap by Agatha Christie is a play about a murder mystery. If you are referring to the kind of medieval religious play called a "mystery play" a famous example is Everyman.
Ancient Domains of Mystery happened in 1994.
Scooby-Doo Mystery happened in 1995.
House of Mystery happened on 1951-12-01.