4, Julius Ceasar introduce leap years into the calendar, 3, Egypt adopted a leap-year system, 1, Many anccient calendars were based on solar months, 5, Pope Greory made an important change to the calendar, 2, The Romans added two moths to improve the accuracy of the calendars

Classement

Style visuel

Options

Changer de modèle

Restauration auto-sauvegardé :  ?