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