European Defense Initiative Initiative européenne de défense (EDI / IED)
Member states (green) and observer countries (red) of the European Defense Initiative
December 1, 1957
17 member states
Commissioner for Defense
The European Defense Initiative (French: Initiative européenne de défense) is an international military alliance that was established on November 20, 1957 after the signing of the Koblenz Treaty. The EDI centralises the armed forces of its member states. The EDI is the defence pillar of the European Union and its leader is the Commissioner for Defense of the EU.