Complex sentence: The Coup d'état of Yanaon was a tense but ultimately non-violent political coup at Yanam, India, in 1954 as India and France held ongoing negotiations regarding the future of French settlements in India.
Split into simpler sentences: The Coup d'état of Yanaon was a tense but ultimately peaceful political coup at Yanam, India, in 1954. It occured as India and France held ongoing negotiations regarding the future of French settlements in India.