WebThe original PTB was a center-left labourist party with strong support from trade unions founded in 1945 by former Brazilian president Getúlio Vargas, who formerly presided the country from 1930 to 1945.After Vargas suicide in 1954, PTB's main figures became Leonel Brizola and João Goulart, who was elected vice-president in 1960 — becoming president …