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
First inauguration of Dilma Rousseff Lula da Silva and his wife. Traditionally, the outgoing vice President and his wife also greet the new President, but José Alencar is undergoing colorectal cancer treatment in São Paulo's Hospital Sírio-Libanês and shall not attend the inauguration. In the parlor (speaker's platform), located in the outer area of the palace, overlooking the Three Powers Plaza, Lula will pass the presidential sash to Rousseff. Wearing the sash, Rousseff will be greeted by heads of state and other authorities in the palace's east wing. Around 17:00 hours UTC−2 (5 p.m.), Rousseff will head to the parlor and make her first speech