Talen 1855 till 1861 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1855 | = | MDCCCLV | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 |
| 1856 | = | MDCCCLVI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 + 1 |
| 1857 | = | MDCCCLVII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 + 1 + 1 |
| 1858 | = | MDCCCLVIII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 + 1 + 1 + 1 |
| 1859 | = | MDCCCLIX | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 − 1 |
| 1860 | = | MDCCCLX | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 |
| 1861 | = | MDCCCLXI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 1 |