Conversation so far:
Why was Saro-Wiwa arrested?
he was arrested and accused of incitement.
Was he placed in jail?
was imprisoned for over a year before being found guilty and sentenced to death.
How was he executed?
hanging by military personnel.
What year was he executed?
1995.

Question: Was there anything significant about the execution?
Self-contained rewrite: Was there anything significant about Ken Saro-Wiwa's execution?