Nationalist irredentist movements Greek advocating for Enosis (unity of ethnically Greek states with the Hellenic Republic to create a unified Greek state), used today in the case of Cyprus, as well as the Megali Idea, the Greek movement that advocated for the reconquering of Greek ancestral lands from the Ottoman Empire (such as Crete, Ionia, Pontus, Northern Epirus, Cappadocia, Thrace among others) that were popular in the late 19th and early to 20th centuries, led to many Greek states and regions that were ethnically Greek to eventually unite with Greece and the Greco-Turkish war of 1919.