Anna and the King of Siam (1946)

In 1862, young English widow Anna Owens (Irene Dunne) accepts the job of teaching the royal children of Siam. On her arrival in Bangkok, culture clash is immediate. King Mongkut (Sir Rex Harrison) respects Anna for standing up to him, though this appalls his courtiers. In due course, she becomes the King's confidant and diplomatic advisor. Their relationship endures through many trials.