From The Telegraph:
They have survived thousands of years since their birth in ancient Rome, but Roman numerals are finally to be phased out after they were deemed too complicated for the modern-day capital.
Until now, Rome has remained stubbornly wedded to the ancient numeric system on its street signs, official documents, bills and identity cards.
However, under a new directive approved by Rome city council this week, the numerals will have to be written out fully.
Corso Vittorio Emanuele II, a vast cobbled street that winds its way through central Rome, will now be Corso Vittorio Emanuele Secondo.
Nearby S. Pio X, along which thousands of tourists trek every day to visit the Vatican, will now be S.Pio Decimo.