 He is also believed by many historians to have built The Hanging Gardens of Babylon (although others believe these gardens were built much earlier by an Assyrian king in Nineveh) for his wife, a Median princess from the green mountains, so that she would feel at home.A capable leader, Nebuchadnezzar II conducted successful military campaigns; cities like Tyre, Sidon and Damascus were subjugated.He also conducted numerous campaigns in Asia Minor against the Scythians, Cimmerians, and Lydians.