 Finally, the Metropolitan Archdiocese of Bombay was established by Pope Leo XIII on 1 September 1886.The archdiocese received territorial jurisdiction over Bombay Island and over the northern districts of the Vicariate of Bombay with Poona as a suffragan diocese.Mangalore and Trichinopoly were added as suffragan sees in 1893, in which year the First Provincial Council was held (Acta et Decreta, Bombay, 1898).