 Since the initial printing and literary activity occurred in eastern Assam, the Eastern dialect was introduced in schools, courts, and offices and soon came to be formally recognized as the Standard Assamese.In recent times, with the growth of Guwahati as the political and commercial center of Assam, the Standard Assamese has moved away from its roots in the Eastern dialect.The modern Assamese period began with the publication of the Bible in Assamese prose by the American Baptist missionaries in 1819.