Answer:
By events, what year? and in what type of specification, economics? Militarily? Politically? because if this is what it's asking, the invasion of Afghanistan, the failing economic status of the soviet union, the institution of privatization of the soviet union. Or if it isn't asking for those, its the hardliner soviet coup in 1991, then a deal with the sub republics to dissolve the USSR proper under Boris Yeltsin, and the broadcast of the end of the soviet union with the raising of the Russian Russian republican flag
Explanation:
sorry if this doesnt fit