It was Persia until 1935; in 1949 the government permitted both names
It was Persia 
until 1935, in 1949 the government permitted both names... [DOC] [TLE] persian empire, S - CollegeTermPapers.com [PAR] In 1935 the government specified that it should be called Iran; however, in 1949 
they allowed both names to be used.