Conversation so far:
Why was Saro-Wiwa arrested?
Ken Saro-Wiwa had been denied entry to Ogoniland on the day of the murders, but he was arrested and accused of incitement to them.
Was Ken Saro-Wiwa given a trial after he was arrested and accused of incitement?
Some of the defendants' lawyers resigned in protest against the alleged rigging of Ken Saro-Wiwa's trial by the Abacha regime.
When was Ken Saro-Wiwa executed?
On 10 November 1995, Ken Saro-Wiwa and the rest of the Ogoni Nine were taken from the army base and executed

Question: Was there anything significant that took place while he was imprisoned?
Self-contained rewrite: Was there anything significant that took place while Ken Saro-Wiwa was imprisoned?