Heads of state of the Soviet Union in all BBC programmes
Soviets choose 72-year-old Chernenko as their new leader.
How the world now sees Gorbahev and the 1991 G7 summit in London, England.
Why did Gorbachev's visit to Japan fail to encourage financial investment?
Soviet leader addresses UN as first cracks widen in the Eastern bloc.
Gorbachev's banning of a Yeltsin rally in Moscow worries Alistair Cooke.
The INF treaty signing and Mikhail Gorbachev's popularity in the US and Europe.
The 1991 May Day parade in Moscow is discussed with UN Soviet Ambassador Andrei Gromyko.
First face-to-face meeting between President Reagan and top Soviet leader Gromyko.
Brezhnev requests peace talks with China.
Observers fear that Gorbachev's reforms could end in a coup.