Georgian-Safavid War (Second Unification of Georgia)

Georgian-Safavid War - also known as 7th Ottoman-Safavid War began in 1665, when Safavids attempted to retake Kartl-Kakheti from Georgia which resulted in full scale invasion of Iran and loss of Caucasus on Safavid's part.

Background
King Alexander II passed away in 1665 and was succeeded by his son Bagrat. Safavids assumed that Georgia would be weakened after their king's death so they began planning another invasion into Georgia. That same year, 100,000 Army led by Shah Abbas II himself crossed into Kakhetia and began traveling towards Tbilisi. King Bagrat was notified about the invasion, so began assembling an army to meet the invaders. Ottoman sultan Mehmed IV, was informed of the invasion. Not helping your "Vassal" would be considered as a huge blow to Ottoman prestige, so Mehmed Assembled his Army and rode towards Georgia.

Siege of Tbilisi
Shah Abbas II laid siege to Tbilisi in November of 1665. Tbilisi was well fortified so Shah did no want to waste his manpower on pointless assaults. Meanwhile Mehmed IV combined his forces with Pasha of Akhaltsikhe and marched Traveled to meet Bagrat. Mehmed combined his forces with Bagrat and begna preparing for a surprise attack on Safavids. Ottoman-Georgian relief force charged into demoralized Persian army and caused mass-panic. Shah Abbas was killed in action and his country was left without a leader....