Years

Modern years are expressed using Roman numerals quite frequently. They are formed by piecing together all the different elements.

So 1880 =

1000 +500 + 400 +50 + 80
MDCCCLXXX
= MDCCCLXXX

There is often more than one way of expressing a date. Thus there were several ways of expressing 1999. Including:

MDCLXCIX
or simply:
MIM

Roman dates are often give A.U.C. This stands for ab urbe condita which means 'from the founding of the city'. This is standardly reckoned as 753BC.