Complex sentence: In 1478 Raja Bhoja obtained Unchahara, which he made the chief town, and which remained so until 1720, when the capital was moved to Nagod by Raja Chainsingh.
Split into simpler sentences: In 1478 Raja Bhoj obtained Unchahara, which he made the chief town. It remained so until 1720, when the capital was moved to Nagod by Raja Chainsingh.