Armenians was divided between the Ottomans and the Safavid Empire in Iran. In the Bronze Age, several states flourished in the area of Greater Armenia, including the Hittite Empire (at the height of its power), Mitanni (South-Western historical Armenia), and Hayasa-Azzi (1600–1200 BC). Soon after Hayasa-Azzi came Arme-Shupria (1300s–1190 BC), the Nairi (1400–1000 BC) and the Kingdom of Urartu (860–590 BC), who successively established their sovereignty over the Armenian Highland. Each of the aforementioned nations and tribes participated in the ethnogenesis of the Armenian people. Under Ashurbanipal (669–627 BC), the Assyrian empire reached the Caucasus Mountains (modern Armenia, Georgia and Azerbaijan).
Christianity in Asia was first preached by the apostles Simon and Andrew in the first century. It became the state religion of Kartli, Iberia (the area of Georgia's capital) in 326. The conversion of Georgia to Christianity is credited to the efforts of Saint Nino of Cappadocia (290–338). Christianity further spread eastward under the Parthian Empire, which displayed a high tolerance of religious matters. According to tradition, Christian proselytism in Central Asia, starting with Mesopotamia and the Iranian plateau, was put under the responsibility of Saint Thomas the Apostle, and started in the first century AD. Saint Thomas is also credited with the