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Progressive Dissidence (Portuguese:Dissidência Progressista, DP) was a political party inPortugal.
The party was established in 1905 by Minister of JusticeJosé Maria de Alpoim as a left-wing breakaway from theProgressive Party.[1] It won nine seats in theApril 1906 parliamentary elections, but was reduced to four seats in theAugust 1906 elections. The1908 elections saw the party win seven seats.
The party was dissolved in 1910.