David IV, also known as David the Builder (Georgian: დავით აღმაშენებელი, Davit Aghmashenebeli) (1073 – 24 January 1125), of the Bagrationi dynasty, was a king of Georgia from 1089 until his death in 1125.Popularly considered to be the greatest and most successful Georgian ruler in history, he succeeded in driving the Seljuk Turks out of the country, winning the major Battle of Didgori in 1121.