> The East Germans put up the Berlin Wall, 1961.
> Sino-Soviet split revealed, 1961.
> Cuban missile crisis, 1962.
> First Chinese nuclear explosion, 1964.
> Start of U.S. buildup in Viet Nam, 1965.
> Mao Tse-Tung's Great Proletarian Cultural Revolution begins, 1966.
>Six-Day War between Israelis and Arabs, 1967.
> Tet offensive, 1968.
> Soviets invade Czechoslovakia, 1968.
> Charles de Gaulle resigns, 1969....