Linked from

The 27 pages that link to Roman Calendar, each with the reason it gives.

• Julian calendarNarrower topic: The Julian calendar replaced the late Roman calendar's irregular year.

• IntercalationRelated: Its irregular intercalations made calendar dates vulnerable to political manipulation.

• CalendarBroader topic: Roman political adjustments shaped the calendar later reformed by Julius Caesar.

• Lunisolar calendarCompared with: Its politically managed corrections illustrate the difficulties of maintaining seasonal alignment.

• Calendar reformNarrower topic: Roman calendar irregularities created the need for Caesar’s major restructuring.

• Ab Urbe ConditaRelated: Roman year reckoning depended on the calendar’s year boundaries and intercalations.

• Acta DiurnaRelated: Dating entries helped situate reported proceedings and events in civic time.

• JanuaryNarrower topic: January inherited its name and early placement from Roman calendar tradition.

• MonthNarrower topic: Its reforms shaped the month sequence inherited by modern Western calendars.

• Seven-day weekRelated: Roman adoption helped carry the seven-day cycle across the empire.

• Numa PompiliusRelated: Tradition associates Numa with ordering the calendar and its religious observances.

• Planetary weekRelated: Roman adoption spread planetary day names through Latin-speaking regions.

• WeekRelated: Roman adoption helped spread the seven-day cycle across the empire.

• BirthdayRelated: Roman society recorded birthdays and helped normalize annual personal observances.

• FebruaryNarrower topic: February began as part of Rome’s changing calendar and inherited its distinctive short length.

• April Fools' DayNarrower topic: Ideas about Roman spring festivals form part of speculative accounts of the custom's distant roots.

• Days of the weekRelated: Roman adoption and naming conventions helped spread the week across Europe.

• Roman festivalsRelated: Its marked festival days set the annual rhythm of Roman celebrations.

• AprilNarrower topic: April began as a month in Rome’s early calendar.

• DecemberNarrower topic: December inherited its name and position from the Roman calendar.

• JulyNarrower topic: July’s name and early history belong to this older calendar tradition.

• JuneNarrower topic: June inherited its name and place from Roman calendar traditions.

• OctoberNarrower topic: October’s original eighth-month position comes from an earlier Roman year.

• Ante Christum natumNarrower topic: The phrase can be applied retrospectively to dates from Rome’s pre-Christian history.

• New YearNarrower topic: Roman calendar reforms established the historical basis for January 1 as a year boundary.

• Science in the ancient worldBroader topic: Roman calendar reform transmitted a solar year structure that influenced later European calendars.

• Year (calendar)Related: Roman reforms shaped the calendar-year system inherited by later European calendars.