????????? ???? 1991 (
MCMXCI
)
???
????????????? ??????????
a
?????????
?????? ????? ???????? ?????, the 1991 ?? year of the
Common Era
(CE) and
Anno Domini
(AD) designations,
2 ?? ???????????
??? 991 ?? ???,
20 ?? ?????
??? 91 ?? ???, ??
1990????
??????? 2 ?? ??? .