????????? ???? 1980 (
MCMLXXX
)
??? a
leap year starting on ????????? ?
?????? ????? ???????? ?????, the 1980 ?? year of the
Common Era
(CE) and
Anno Domini
(AD) designations,
2 ?? ???????????
??? 980 ?? ???,
20 ?? ?????
??? 80 ?? ???, ??
1980????
??????? 1 ?? ??? .