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| | Ancient Roman Calendar - Covenant Day School Junior Classical League (Site not responding. Last check: 2007-10-09) |
 | | The year, based on cycles and phases of the moon, totaled 355 days, about 10 1/4 days shorter than the solar year. |
 | | The occasional intercalation of an extra month of 27 or 28 days, called Mercedonius, kept the calendar in step with the seasons. |
 | | The Pontifex Maximus and the College of Pontiffs had the authority to alter the calendar, and they sometimes did so to reduce or extend the term of a particular magistrate or other public official. |
| cdsjcl.f2g.net /romecalendar.html (1323 words) |
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