The calendar then jumped directly from 4 October to 15 October - Quite a bizarre right. All years are not leap years. The Julian calendar was revised by specifying that. These are the main ...

The original Roman calendar divided the year from March to December into 10 months of either 29 or 31 days, based on lunar ...

4 Leap years were introduced by the Roman emperor Julius Caesar, who created a new calendar to take the extra quarter-days into account. The Julian calendar ... countries in October 1582, and ...

NEW YORK--Leap year ... array of calendars starting in a vast array of ways in the vast Roman Empire. He introduced his Julian calendar in 46 BCE. It was purely solar and counted a year at ...