Two revolutions, 400 years apart, set in chain processes that claimed millions of lives.
National Council of American-Soviet Friendship
Several key figures travelled to Soviet Russia in its early days to witness the socialist state in action.
Russian army officers take the oath of allegiance to the Revolution, 1917.
How is Vladimir Putin - for whom uprisings are anathema - treating this year's centenary of the Russian revolution?
How Stalin and his successors maintained an iron grip on power.
The effects of the Dublin insurrection went much further than Ireland.
Vlad the impaled.
That late summer day, the crowds were joyful. They cheered as the flag they had come to loathe was lowered. In its place, the blue and yellow colours of Ukraine rose above parliament. As the demonstrators…