Though the twist at the end’s meant to stun
Far more shocking’s the length of its run
Now they’re caught in the trap
All the West Enders clap
With no sign that the show’ll e’er be done

Event: The Mousetrap, written by Agatha Christie, opens in the West End of London. With more than 25,000 shows, it is the longest continually-running production of any kind in the world
Year: 1952
Learn more: The Mousetrap