By 45 B.C., the new Julian calendar was created, and the civil year in Rome now officially began on January 1. The Julian calendar also introduced an extra day every four years—what we now call ...

This calendar, first adopted by Pope Gregory in the 1500s ... which often falls in January or February. Many south Asian countries celebrate the new year in mid-April. Indigenous communities ...

715-673 BCE), Roman emperor Numa Pompilius revised the Roman republican calendar to make January the year's first month instead of March. While January got its name from Janus, the Roman god of ...

This calendar, first adopted by Pope Gregory in the 1500s ... which often falls in January or February. Many south Asian countries celebrate the new year in mid-April. Indigenous communities ...

This calendar, first adopted by Pope Gregory in the 1500s ... such as Vietnam’s Tet celebration, which often falls in January or February. Many south Asian countries celebrate the new year in ...

This calendar, first adopted by Pope Gregory in the 1500s ... which often falls in January or February. Many south Asian countries celebrate the new year in mid-April. Indigenous communities ...