The numbers 1939 to 1945 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1939 | = | MCMXXXIX | = | 1000 + 1000 − 100 + 10 + 10 + 10 + 10 − 1 |
| 1940 | = | MCMXL | = | 1000 + 1000 − 100 + 50 − 10 |
| 1941 | = | MCMXLI | = | 1000 + 1000 − 100 + 50 − 10 + 1 |
| 1942 | = | MCMXLII | = | 1000 + 1000 − 100 + 50 − 10 + 1 + 1 |
| 1943 | = | MCMXLIII | = | 1000 + 1000 − 100 + 50 − 10 + 1 + 1 + 1 |
| 1944 | = | MCMXLIV | = | 1000 + 1000 − 100 + 50 − 10 + 5 − 1 |
| 1945 | = | MCMXLV | = | 1000 + 1000 − 100 + 50 − 10 + 5 |