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
2010 Brazilian presidential election 2010 Brazilian presidential election The Brazilian presidential election was held in 2010 with two rounds of balloting. The first round was held on October 3 along with other elections as part of the 2010 general election. As no presidential candidate polled 50 percent of the vote on October 3, a runoff was held on October 31 between Dilma Rousseff and José Serra: Rousseff won with 56% of the second round vote. The election determined the successor to President Luiz Inácio Lula da Silva, of the Workers' Party. According to the Constitution, the president is elected directly for a four-year term,