St. Mary’s Cathedral, Galle which was built by Fr. Benito Martin OSB was blessed by Most. Rev. Dr. Hillarian Sillani OSB, Vicar Apostolic of the Southern Vicariate on the 18th of January 1870. The foundation of this church were laid in 1869 by the second Sylvestrine to come to Sri Lanka, Fr. E. Miliani OSB.