Gematria Calculation Result for on a bannish boston history on Roman Numeral

This is calculated by summing each letter's value: o(0) + n(0) + (0) + a(0) + (0) + b(0) + a(0) + n(0) + n(0) + i(1) + s(0) + h(0) + (0) + b(0) + o(0) + s(0) + t(0) + o(0) + n(0) + (0) + h(0) + i(1) + s(0) + t(0) + o(0) + r(0) + y(0).