Which history film (long) should I watch?

Which historical event or person? Creation of the Oxford English Dictionary Development of the 1964 Walt Disney film, Mary Poppins Escape of a group from a Soviet Gulag and their 4,000 mile walk to freedom during World War II Life of Neil Armstrong and the Apollo 11 mission to the Moon in 1969 Post-Apartheid South Africa, Nelson Mandela, and the 1995 Rugby World Cup Post-French-revolution France from 1815 to the June Rebellion of 1832 Two athletes in the 1924 Summer Olympics United States men's ice hockey team in the 1980 Winter Olympics