109 in Roman Numerals

The year 109 in Roman numerals is CIX.

CIX
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Year breakdown

100 + 9

C + IX = CIX

Breakdown of 109
TokenValueNote
C100C = 100
IX910 − 1 = 9

Place values

  • Hundreds: 100 → C
  • Ones: 9 → IX

109 belongs to the 2nd century (century ordinal 2, II).

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Where Roman numeral years appear

  • Film and television end credits often show the copyright year in Roman numerals.
  • Cornerstones and building inscriptions sometimes record a dedication year in Roman numerals.
  • Book title pages and colophons may use Roman numerals for publication years.
  • Commemorative plaques and memorial dates frequently encode a year in Roman numerals.
  • Clocks mark hours rather than calendar years, but year inscriptions appear on many public monuments.
  • Personal projects—tattoos, invitations, and anniversaries—commonly use Roman numeral years.

This page does not claim a specific film, building, or product used 109 unless verified elsewhere.

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Decade 100–109

Years in the 100s
YearRoman numeral
100 C
101 CI
102 CII
103 CIII
104 CIV
105 CV
106 CVI
107 CVII
108 CVIII
109 CIX

Nearby years