Not just past tense. Here in Canada at least, many recent date/marker stones are still carved with Roman numerals. Bridges, in particular. The preservation i

Not just past tense. Here in Canada at least, many recent date/marker stones are still carved with Roman numerals. Bridges, in particular. The preservation in that specific context seems to hint at something. It's the same reason why we carve stone in upper case. Because the Romans did it that way.