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Notable leaders of the Nationalist Republican Party, besides Machado, included Tomé de Barros Queirós, Júlio Dantas, and José Mendes Cabeçadas, Cunha Leal, who left to found the Liberal Republican Union in 1926, and, after 1925, Commander Filomeno da Câmara de Melo Cabral, one of the organisers of the 18 April 1925 Generals' Coup.