The imperial phase of the Eastern Gangas began with Anantavarman Chodaganga (r. 1078-1147), who unified Kalinga and Odisha and moved the capital to Cuttack; built the Jagannath Temple at Puri and the Sun Temple at Konark.
Ended in 1434-35 when the minister Kapilendra usurped the throne, founding the Suryavamsha (Gajapati) dynasty; a lesser Ganga line persisted at Khemundi into the colonial era.
The atlas holds 3 border frames for Eastern Ganga Dynasty (Imperial period) — the shape you scrub through changes in 1078 · 1115 · 1179.
John Keay's acclaimed single-volume history of India places this dynasty within the sweep of the subcontinent's past.