1979 in Roman Numerals
The number 1979 is written MCMLXXIX in Roman numerals. Click the numeral below to copy it, or use the converter to try any other number.
1979 is a common year to write this way: people use Roman numerals for dates on tattoos, wedding stationery, building cornerstones, book copyright lines and film credits.
Note the subtractive pairs IX and CM inside it: a smaller symbol placed before a larger one means subtract, which is why IX is 9 and not IIIIIIIII.
1979 in Roman numerals
Also written in words as one thousand nine hundred seventy-nine, and read aloud as M C M L X X I X.
Roman numeral converter
Convert a number into Roman numerals, or read a Roman numeral back into a number. Works for 1 to 3999, the range the seven standard symbols can express.
How 1979 breaks down into Roman numerals
1000 + 900 + 50 + 20 + 9 = 1979, so M + CM + L + XX + IX = MCMLXXIX.
| Place value | Roman numeral | Why | Copy |
|---|---|---|---|
| 1000 | M | M is 1000 | |
| 900 | CM | CM is the subtractive form for 900 | |
| 50 | L | L is 50 | |
| 20 | XX | X is 10, written 2 times | |
| 9 | IX | IX is the subtractive form for 9 |
No symbol on this page matches that search. Try a shorter word.
Numbers either side of 1979
- 1974 = MCMLXXIV
- 1975 = MCMLXXV
- 1976 = MCMLXXVI
- 1977 = MCMLXXVII
- 1978 = MCMLXXVIII
- 1980 = MCMLXXX
- 1981 = MCMLXXXI
- 1982 = MCMLXXXII
- 1983 = MCMLXXXIII
- 1984 = MCMLXXXIV
Related numbers
Browse the full charts: Roman numerals hub, 1 to 100, years 1900 to 2100.
How to write 1979 in Roman numerals, step by step
Roman numerals are built from largest value to smallest. Split 1979 into place values first: 1000 + 900 + 50 + 20 + 9.
Now swap each part for its symbols: 1000 becomes M, 900 becomes CM, 50 becomes L, 20 becomes XX, 9 becomes IX. Written together that is MCMLXXIX.
The pairs IX and CM must stay in that order. IX means "one before 10", so it is read as 9.
- 1000 = M (M is 1000)
- 900 = CM (CM is the subtractive form for 900)
- 50 = L (L is 50)
- 20 = XX (X is 10, written 2 times)
- 9 = IX (IX is the subtractive form for 9)
Is MCMLXXIX written correctly?
Yes. MCMLXXIX is the standard modern form of 1979. A valid Roman numeral never repeats a symbol more than three times in a row, never repeats V, L or D at all, and only ever subtracts I, X or C, and only from the next two larger symbols.
Those rules are what keeps a number to a single accepted spelling, so a reader never has to guess.
How to type MCMLXXIX on a keyboard
Roman numerals are ordinary capital letters, so you can type MCMLXXIX directly: M, C, M, L, X, X, I, X. Nothing special is required and it will work in any font, any document and any web form.
Unicode also contains dedicated Roman numeral characters such as Ⅰ, Ⅴ, Ⅹ, Ⅼ, Ⅽ, Ⅾ and Ⅿ. They exist for typesetting East Asian text and they look almost identical, but search engines, spell checkers and screen readers handle the plain letters better, so the letters are usually the right choice.
Using 1979 as a date
Written as a full date, 1979 usually appears at the end: 4 July 1979 becomes IV • VII • MCMLXXIX, with dots or dashes separating day, month and year.
If you are having MCMLXXIX engraved or tattooed, check the spacing and the character shapes with the artist first. Roman numerals are long, and MCMLXXIX is 8 characters, so it needs more room than the four digits do.
Frequently asked questions
How do you write 1979 in Roman numerals?
1979 is written MCMLXXIX. Break it into 1000 + 900 + 50 + 20 + 9, then write M + CM + L + XX + IX, which joins up as MCMLXXIX.
What number is MCMLXXIX?
MCMLXXIX is 1979, or one thousand nine hundred seventy-nine in words.
Is there another way to write 1979 in Roman numerals?
Not in standard use. MCMLXXIX is the accepted form because Roman numerals subtract rather than repeat a symbol four times.
How do I copy MCMLXXIX?
Click the large numeral at the top of this page. It copies straight to your clipboard, ready to paste anywhere.
Do Roman numerals have a zero?
No. The system has no symbol for zero and no way to write a negative number or a fraction of one, which is one reason it was replaced for arithmetic.