Complex sentence: In 450 BC, the city was conquered by the Athenian general Kimon during his Cyprus campaign while pursuing the Persians following the Battle of Salamis (in Cyprus) in an attempt to re establish Athenian supremacy in the Eastern Mediterranean.
Split into simpler sentences: In 450 BC, the city was conquered by the Athenian general Kimon during his Cyprus campaign. He was pursuing the Persians following the Battle of Salamis (in Cyprus) in an attempt to re establish Athenian supremacy in the Eastern Mediterranean.