<P> Although the new calendar was much simpler than the pre-Julian calendar , the pontifices initially added a leap day every three years , instead of every four . There are accounts of this in Solinus , Pliny , Ammianus , Suetonius , and Censorinus . </P>
<P> Although the new calendar was much simpler than the pre-Julian calendar , the pontifices initially added a leap day every three years , instead of every four . There are accounts of this in Solinus , Pliny , Ammianus , Suetonius , and Censorinus . </P>
what significant event each year is calculated off the julian calendar
what significant event each year is calculated off the julian calendar
leap day
leap day