sentences:  The relationship got more complex as the Safavids took power in Iran and established century long Iranian control of several of the Georgian kingdoms.This continued until Russia conquered the Caucasus and Georgia in the first half of the 19th century, through the Russo-Persian War (1804-1813) and the Russo-Persian War (1826-1828), from Qajar Iran.Until the early 1990s, Iran-Georgia relations were merged into Iran-Soviet relations.