“The Mousetrap,” a murder-mystery written by the novelist and playwright Agatha Christie, opens at the Ambassadors Theatre in London. The crowd-pleasing whodunit would go on to become the longest continuously running play in history. When “The Mousetrap” premiered in 1952, Winston Churchill was British prime minister, Joseph Stalin was Soviet ruler and Harry Truman was president. Christie, already a hugely successful … Continue reading November 25, 1952 – Agatha Christie’s “The Mousetrap” opens in London