Czechoslovakia 1968: 'Lenin wake up, Brezhnev has gone mad'
'Lenin wake up, Brezhnev has gone mad.' This was one of the slogans chanted on the street of Prague 30 years ago as Russian and Warsaw Pact troops invaded Czechoslovakia. The upheavals in Czechoslovakia had began with a stormy session of the Writers Union which passed a resolution supporting Soviet author Solzhenitsyn's protest against censorship.