A congress is different from a parliament in that it has no Prime Minister as its leader, and rarely has a sitting member as the nation's Head of State or Head of Government.
Countries with Congresses:
Congress has also been used to describe certain historical gatherings of independence-minded nationalists or revolutionaries:
... 1st Baron Ponsonby, of Imokilly[?], County Cork and Louisa Molesworth. He was the husband of Georgiana Ponsonby.
He was killed by Polish Lancers[?] at the battle of ...
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