King of Syria from 281 BC, son of Seleucus I, one of the generals of Alexander the Great. He earned the title of Antiochus Soter, or Saviour, by his defeat of the Gauls in Galatia in 276 BC.
Green and red replaced blue and white as the national colours in 1910. The armillary sphere surrounds the shield of Portugal. Effective date: 30 June 1911.