????????? ???? 2004 ( MMIV ) ??? a leap year starting on ?????????????? ? ?????? ????? ???????? ?????, the 2004 ?? year of the Common Era (CE) and Anno Domini (AD) designations, 3 ?? ??????????? ??? 4 ?? ???, 21 ?? ????? ??? 4 ?? ???, ?? 2000???? ??????? 5 ?? ??? .