Workers' Party (Brazil) the centre-right opposition bloc as it shrank from 133 to 111 deputies. The left-wing opposition, formed by PSOL, retained control of three seats. The party was also expected to elect its presidential candidate Dilma Rousseff in the first round. However, she was not able to receive the necessary amount of valid votes (over 50%) and a second round in which she scored 56% of the votes took place on 31 October 2010. On 1 January 2011, she was inaugurated and thus became the first female head of government ever in the history of Brazil and the first "de facto" female
Dilma Rousseff the Institute of Social and Political Studies () linked to the only legalized opposition party, the Democratic Movement (MDB). Even though she was not affiliated with the party, Rousseff organized debates at the institute, which received lectures from scholars such as Francisco de Oliveira, Fernando Henrique Cardoso, and Francisco Weffort. In 1976, Rousseff and Araújo worked for the campaign of Glênio Peres, a MDB candidate for the city council. Although he was elected, Peres' term was revoked for denouncing the regime's torture in a speech. In November 1977, Rousseff was reported by the newspaper "O Estado de S. Paulo" as