PAK toured the world rallying opposition to the military regime and aiming to create awareness about the political situation in Greece.

On February 28, 1968, Papandreou gave a famous speech at the Club of Greek Immigrants (Σύλλογος Ελλήνων Μεταναστών).

Later on, a manifesto was published, entitled “A text-book and the Internal Political Net.” The leader of the PAK in Greece was Giannis Alevras.

On February 24, 1972 Andreas Papandreou spoke at the "Symposium on Imperialism" about the future PAK is fighting for, he stated "I am committed to the Panhellenic Liberation Movement until freedom comes to Greece.

"[4]On April 23, 1972 the 5th anniversary of the Greek junta, Papandreou and other members of PAK participated in a large rally/protest in New York City protesting the regime, among the speakers at the rally was economist and political activist Daniel Ellsberg, Melina Merkouri, Eleni Kazantzaki and Giorgos Vournas.