National Solidarity (Greek: Εθνική Αλληλεγγύη, abbreviated E.A.) was the social welfare organization of the EAM resistance movement in occupied Greece during World War II. The decision to establish a resistance organization was taken by , and , who had just escaped from the internal exile imposed by the pre-war Metaxas Regime. National Solidarity was thus founded on 28 May 1941, barely a month into the Occupation, in a park behind the Soteria hospital. It was the first nationwide resistance group established in Greece. Its founding members were: Kleon Papaloizos, who was also elected its secretary, Vasileios Markezinis, Dionysia Papadomichelaki, Nikos Dresios, Georgios Vasilopoulos and Spyros Antypas.