Original sentence: A shamshir () is a type of Persian sword with a radical curve.Originally Persian swords were straight and double edged.Shamshirs began to appear in Persia in the 9th century, when these weapons were used by soldiers in the Khurasan region of Central Asia
Edited sentence: A shamshir () is a type of Iranian sword with a radical curve.Originally Iranian swords were straight and double edged.Shamshirs began to appear in Iran in the 9th century, when these weapons were used by soldiers in the Khurasan region of Central Asia