Mezue ahịrịokwu na-esonụ: Mgbanwe dị mkpa na ndọrọndọrọ ọchịchị Soviet n'ebe mba ndị dị n'Ebe Ọwụwa Anyanwụ Ụwa nọ n'okpuru Mikhail Gorbachev na ngwụsị afọ 1980 bụ mmalite nke ngosipụta zuru ebe nile megide Socialist Unity Party, nke chịrị East Germany kemgbe e guzobere mba ahụ na 7 October 1949. Ọgba aghara ndị gara aga <unk>
East Germany (1953), Czechoslovakia (1953), Poland (1956), Hungary (1956) na Prague Spring (1968) <unk> ndị agha Soviet ji obi ọjọọ mee ihe. Mmeghachi omume Soviet nye nsogbu Poland nke 1980-1981 bụrịrị nke ịghara itinye aka.