'In 1582 the man born Ugo Buoncompagni proclaimed this solar dating system still used today'
the Gregorian calendar
THE 16th CENTURY: In 1582 the man born Ugo Buoncompagni proclaimed this solar dating system still used today
In 1582 the man born Ugo Buoncompagni proclaimed this solar dating system still used today
In 1582 the man born Ugo Buoncompagni proclaimed this solar dating system still used today
THE 16th CENTURY
the Gregorian calendar
THE 16th CENTURY