Turkish invasion of Cyprus opposed immediate Enosis (union between Cyprus and Greece). Makarios described the coup which replaced him as "an invasion of Cyprus by Greece" in his speech to the UN security council and stated that there were "no prospects" of success in the talks aimed at resolving the situation between Greek and Turkish Cypriots, as long as the leaders of the coup, sponsored and supported by Greece, were in power. In Resolution 573, the Council of Europe supported the legality of the first wave of the Turkish invasion that occurred in July 1974, as per Article 4 of the Guarantee Treaty of
Accession of Turkey to the European Union in the European Union. The former Greek Prime Minister Kostas Karamanlis stated that Turkish membership of the EU could only be predicated upon, "full compliance, full accession" in December 2006. In 2005 the European Commission referred to relations between Turkey and Greece as "continuing to develop positively" while also citing a key barrier to progress being Turkey's ongoing claim of "casus belli" over a dispute about territorial waters boundaries. In September 2017, Greek Prime Minister, Alexis Tsipras, mentioned that halting accession talks with Turkey would be a strategic mistake by the European Union, amid a war of words raging between