 Thado Minbya founded the city of Ava in February 1365, and claimed all the former lands of Sagaing and Pinya Kingdoms.In July 1365, Thado Minbya began his drive to reclaim the southern vassals of Pinya, starting with Pagan (Bagan) and Sagu.Theingaba could not allow Thado Minbya to acquire the Sagu−Minbu granary since it would give Thado Minbya all three key granaries of Central Burma.