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 impeachment. On 5 May 2016, Supreme Court justice Teori Zavascki dismissed counts brought against Rousseff by Senator Delcídio do Amaral based on the Petrobras controversy, ruling that a sitting president could not be investigated for actions taken before assuming office as had been argued by Prosecutor-General Rodrigo Janot. Rousseff was also accused of fiscal pedaling in her administration—an accounting maneuver to give the false impression that more money was received than was spent. The government allegedly failed to fund public and private banks that managed public payments, including social assistance programs like Bolsa Família, forcing the banks to finance the