Roman Date

Gregorian (Christian) [AD]
Convert
I (1)V (5)X (10)
L (50)C (100)D (500)M (1000)
12345
67890

Result

Gregorian year in Roman

Other calendars - 1972 

Muslim Lunar (Hijra) [AH]
Myanmar (Burmese)
Taiwanese (Minguo) - variety
Nepali (Bikram Samwat) [BS]
Thai (Buddhist) [BE]