It was Persia until 1935; in 1949 the government permitted both names
The 
exonym Persia was the official name of Iran in the Western world before 1935, 
but the... [DOC] [TLE] Anglo-Persian Oil Company - Wikipedia [PAR] The Anglo-Persian Oil Company (APOC) was a British company founded in 1908 
following the discovery of a large oil field in Masjed Soleiman, Iran.