How POWs Got Playing Cards With Secret Escape Maps for Christmas
Featured in Ripley's Believe It or Not!
Playing cards originated in 9th century China, spreading across Southeast Asia, the Middle East, and North Africa before making their way to Europe. From there, English and French colonialism inadvertently took them to Earth’s four corners. Although nobody knows the exact symbolism behind a modern deck’s configuration, some hypothesize the calendar inspired it.