The Mousetrap is a murder mystery play by Agatha Christie. The Mousetrap opened in London’s West End on 25th November 1952 and has been running continuously since then. It’s the longest running West End show with over 26,000 performances. Agatha Christie herself did not expect The Mousetrap to run for such a long time. In…… Continue reading The longest running British stage play opened in London #OnThisDay in 1952.