Proper noun
Soviet empire
(historical) The Soviet Union along with the nominally independent nations in its sphere of influence.
And when those kids came of age, they were the great Catholic business leaders, great Catholic writers, great Catholic scientists and politicians who spearheaded the revolution that eventually led to the breakdown of the Soviet Empire. Source: Internet
It might be a stretch to compare politics in B.C. with the fall of the Soviet Empire but they meet common ground when having too much information clouds decision making. Source: Internet
His Down with Big Brother: The Fall of the Soviet Empire was a runner-up for the 1997 PEN award for nonfiction. Source: Internet
‘Since the whole of the Soviet Empire was involved in the war, it would be incorrect to describe all of those involved as Russian.’ Source: Internet