It's Not a Strike, it's a revolution

List of leaders
The following list includes persons who held the top leadership position of the Soviet Union from its founding in 1922 until its 1991 dissolution. Note that † denotes leaders who died in office.

List of troikas
On four occasions—the 2–3-year period between Vladimir Lenin's incapacitation and Joseph Stalin's leadership; the three months following Stalin's death; the interval between Nikita Khrushchev's fall and Leonid Brezhnev's consolidation of power; and the ailing Konstantin Chernenko's tenure as General Secretary —the Soviet Union was governed by an oligarchy known as a troika (i.e."triumvirate"), whereby policymaking depended on the consensus of three chief figures within the Politburo.