The numbers 1860 to 1866 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1860 | = | MDCCCLX | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 |
| 1861 | = | MDCCCLXI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 1 |
| 1862 | = | MDCCCLXII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 1 + 1 |
| 1863 | = | MDCCCLXIII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 1 + 1 + 1 |
| 1864 | = | MDCCCLXIV | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 5 − 1 |
| 1865 | = | MDCCCLXV | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 5 |
| 1866 | = | MDCCCLXVI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 5 + 1 |