International Alliance of Catholic Knights

The International Alliance of Catholic Knights (IACK) is a non-governmental organization made up of fifteen Roman Catholic fraternal societies from 27 countries on six continents. The IACK was founded in Glasgow on 12 October 1979 at a meeting of the leaders of six fraternal societies, convened on the occasion of the Diamond Jubilee of the Knights of Saint Columba. The organization is headquartered in Dublin, Ireland.