Show calendar revised dato changed now new years year s day in 1582 1682 the julian calendar was replaced by the gregorian in a proclamation la issued by pope gregory XIII this established january I 1 as new years day our present calendar known as tho the gregorian calendar is based upon pope greg orys revision of the julian calendar and Is more nearly in accord with the solar calen calendar darthe the error being reduced to only one day in years protestant states did not adopt the gregorian calendar until the lath century it was not until the century that russia and others of the balkan states decided to do likewise ikemi se |