The document provides a history of the city of Ahmedabad from its founding in the 13th century to present day. It began as a city called Karnavati on the banks of the Sabarmati River under Solanki dynasty rule. In the 14th-15th century under Sultanate rule, it was renamed Ahmedabad and established as the capital of Gujarat. The city grew as an important trade, textile and cultural center under Mughal rule in the 16th-17th century. After a period of decline in the 18th century under Maratha rule, the city saw rapid growth under British rule in the 19th century as an important trade center connected by new railways. After independence