abstract:Tiridates III (spelled Trdat; Armenian: ; 250-330) was the king of Arsacid Armenia] (287-330), and is also known as Tiridates the Great ; some scholars incorrectly refer to him as Tiridates IV as a result of the fact that [[Tiridates I of Armenia reigned twice). In 301, Tiridates proclaimed Christianity as the state religion of Armenia, making the Armenian kingdom the first state to embrace Christianity officially.