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
Impeachment of Dilma Rousseff in retaliation. Cunha dismissed that his decision was motivated by personal or political reasons. In his defence, Cunha said that opening the impeachment process was his constitutional duty as chamber president, and the decision to do so was based only on facts related to the budget laws. Cunha said further that he had no personal grievance against the Workers' Party and that Rousseff had signed six decrees for additional spending, which had increased the 2015 federal spending in non-compliance with the annual budget law and without approval of the Congress. Rousseff denied any attempted deal to save Cunha in return