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 with a limit of two consecutive terms. Lula was thus not eligible to stand again as he has already served two terms after winning the elections in 2002 and being re-elected in 2006. This was the first time since the inaugural presidential election after the military dictatorship that he did not run for president. The candidates of the two major political groups of the country were Lula's former Chief of Staff, Dilma Rousseff, of the ruling centre-left democratic socialist/social democratic Workers' Party (PT), and São Paulo State former governor, José Serra, from the centre-right opposition coalition formed mainly by the