From YouTube: 55 Days at Peking is a 1963 American epic historical war film dramatizing siege of the foreign legations' compounds in Peking (now known as Beijing) during the Boxer Rebellion, which took place in China from 1898 to 1900. It is based on the book by Noel Gerson and produced by Samuel Bronston for Allied Artists, with a screenplay by Philip Yordan and Bernard Gordon with uncredited contributions from Robert Hamer and Ben Barzman.