Roman numerals: References & Edit History

Article Contributors

Primary Contributors

  • Erik Gregersen
    Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the Astrophysical Journal. Prior to that, he worked at McMaster University on the ODIN radio astronomy satellite project. 

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Invalidated site: York St John University - Roman Numerals (PDF). Oct 20, 2026
Changed β€œ61” to β€œ71.” Sep 15, 2026
Moved media placement. Sep 10, 2026
Article revised and updated. Feb 23, 2026
Add new Web site: VIVA's Pressbooks - Open Music Theory - Roman Numerals. Feb 13, 2026
Corrected display issue. Dec 19, 2025
Add new Web site: Open Library Publishing Platform - Medical Mathematics - Roman Numerals. Nov 30, 2025
Add new Web site: Humanities LibreTexts - Roman Numerals and SATB Chord Construction. Oct 01, 2025
Article revised and updated. Aug 13, 2025
Add new Web site: York St John University - Roman Numerals (PDF). Aug 02, 2025
Questions and answers added. Mar 14, 2025
Add new Web site: Khan Academy - Intro to Roman numerals. Feb 13, 2025
Added Hindu-Arabic number equivalent of the Roman numeral LIX. Jan 08, 2025
Removed β€œMV” from the row for 4,000. Mar 08, 2024
Article revised and updated. Sep 22, 2023
Article revised and updated. Mar 29, 2023
Interactive media added. Mar 24, 2023
Article revised and updated. Feb 23, 2023
Add new Web site: Wolfram MathWorld - Roman Numerals. Aug 24, 2022
Media added. Jul 26, 2021
Added "A bar placed over a number multiplies its value by 1,000." Dec 08, 2017
Add new Web site: UNRV History - Roman Numerals. Feb 23, 2017
Add new Web site: LiveScience - Roman Numerals: Conversion, Meaning and Origins. Jun 27, 2016
Add new Web site: Wolfram MathWorld - Roman Numeral. Apr 29, 2014
Add new Web site: Math is Fun - Roman Numeral. Jul 10, 2013
Add new Web site: Enchanted Learning - Roman Numeral. Jul 10, 2013
Media added. Aug 23, 2010
Table of roman numerals added. Jun 16, 2010
Added new Web site: Legion XXIV MA - Know Your Roman Numerals. Aug 31, 2006
Article revised. Aug 30, 2002
Article added to new online database. Jul 20, 1998
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