On 10 March 1959 Tibetans rose up in rebellion against the Chinese government. That rebellion failed and the Dalai Lama fled.
According to exiled Tibetans, it was a justified uprising aimed at freeing the Himalayan region from the clutches of the oppressive Chinese.
Beijing sees it differently. It says it was a plot by Tibet's upper-classes, who wanted to maintain their feudal hold over their enslaved people.
Seldom has there been two such different versions of the same historical event.
And this difference of opinion continues today. Exiled Tibetans and the Chinese government are far apart on what is happening now in the region.
The 50th anniversary of the uprising comes at a sensitive time for Tibet, a year after riots and protests broke out in Tibetan communities across western China.
China says the region has returned to normal, but people who have visited Tibetan areas say there is heavy security and the situation is tense.Read more »