Complex sentence: The Coup d'état attempt of 1938 or coup d'état of Chania was a short-lived coup attempt in Chania, Greece, aimed at overthrowing the dictatorship of Ioannis Metaxas in 1938.
Split into simpler sentences: The Coup d'état attempt of 1938 or Coup d'état of Chania was a coup attempt in Greece that had a very short duration. It started in Chania, Crete during the period of the dictatorship of Ioannis Metaxas in 1938.