Curriculum BitesInternational Relations 1919-1939BBC Two Duration: 2 hoursFirst broadcast: Wed 9th Jan 2008, 05:00 on BBC Two EnglandLatest broadcast: Tue 20th Jan 2009, 05:00 on BBC Two WalesWhy did the Second World War begin only twenty years after the end of the First?GenresLearningSecondaryBrandCurriculum Bites Source: BBC Online