Simplify the following text for a Grade 12 native English-speaking person.
Original: An inscription dated 1346 regarding a grant to the Sringeri matha indicates Harihara I as the ruler of â whole country between the eastern and the western seas , and the inscription describes Vidya Nagara ( that is , the city of learning ) as his capital .
Simplified: An inscription of 1346 speaks of Harihara I as the ruler of â whole country between the eastern and the western seas , and the inscription describes Vidya Nagara ( that is , the city of learning ) as his capital .