Oct 1955Soviets returnPort Arthur/Dairento China
Jul 1956Karelo-Finnish SSR abolished
Oct 1956Formal peace betweenSoviet Union & Japan
29 Oct–7 Nov 1956US & Soviet pressureforces British & Frenchto back down in Suez Crisis
4 Nov 1956Soviets crush Hungarian uprising
Oct 1957Soviets launch Sputnik, marking thebeginning of the “Space Race” with the US
Aug 1961East Germans build Berlin Wall
Oct 1962Cuban Missile Crisis: US-Soviet tensions peak
Dec 1962China-MongolianBorder Treaty