From the Russian Revolution in 1917 to the collapse of the Soviet Union in 1991 - how communism shaped the world.
Eyewitness accounts of the Russian Revolution of 7 November 1917
In March 1917 Tsar Nicholas II abdicated ending centuries of autocratic rule in Russia
Alexander Kerensky, overthrown by Lenin in 1917, comments on the Russian Revolution
In 1917, a young girl watches the Russian Revolution unfold outside her window.
Photographer Sergei Prokudin-Gorskii took the first colour photographs of Russia
In 1916, the infamous holy man Grigori Rasputin, was murdered by Russian aristocrats
Alexandra Kollontai was the leading Marxist feminist in Communist Russia.
Robert Robinson, a black American engineer, spent 43 years in the USSR against his will.
In 1930s Ukraine a famine exacerbated by Soviet policies left millions dead.
In 1935, Alexei Stakhanov, a coal miner, became a Soviet celebrity.
Tens of thousands of Polish officers were executed in the USSR during World War 2.
In January 1944 the WW2 blockade of Leningrad finally ended after almost 900 days
In 1942 starving musicians in besieged Leningrad performed Shostakovich's Symphony
It is 70 years since German troops lost their battle to take the Soviet industrial city.
Esteban Volkov recalls the murder of his grandfather, Leon Trotsky, in Mexico in Aug 1940
In 1941, far-right Ukrainians declared independence, hoping for Hitler's support.
Flora Leipman, a British Jew, falsely condemned as a spy, was sent to a labour camp
In May 1944 the Tatar people of Crimea were forced into exile by the Soviet army
The daughter of the Soviet dictator, Svetlana defected to the West in 1967
Valentin Berezhkov was Stalin's translator during the World War Two
The Yalta conference that decided the shape of post-war Europe
The Red Army took control of the German capital Berlin, in May 1945
Millions of people were sent to brutal labour camps in the USSR under Joseph Stalin
In 1945 the English physicist was exposed as a nuclear spy for the Soviet Union.