<P> The Crown is a historical drama television series , created and principally written by Peter Morgan and produced by Left Bank Pictures and Sony Pictures Television for Netflix . The show is a biographical story about the reign of Queen Elizabeth II of the United Kingdom . The first season covers the period from her marriage to Philip , Duke of Edinburgh in 1947 to the disintegration of her sister Princess Margaret 's engagement to Peter Townsend in 1955 . The second season covers the period from the Suez Crisis in 1956 to the retirement of the Queen 's third Prime Minister , Harold Macmillan , in 1963 and the birth of Prince Edward in 1964 . The third season will continue on from 1964 , covering Harold Wilson 's two terms as the Queen 's Prime Minister until 1976 , while the fourth season will see Margaret Thatcher 's premiership and a focus on Diana , Princess of Wales . </P>
what is the tv series the crown based on
the reign of Queen Elizabeth II of the United Kingdom