First inauguration of Dilma Rousseff as him – the Workers' Party. The inauguration marked the formal culmination of the Presidential transition of Dilma Rousseff that began when she won the Brazilian presidential election on October 31, 2010, and became the President-elect. The results were certified by the Supreme Electoral Court on December 17, 2010. Rousseff, who campaigned using the slogan "For Brazil to keep on changing", was widely-celebrated as the first female president of Brazil and a symbol of continuity from her highly popular predecessor, Luiz Inácio Lula da Silva. According to the Sensus polling institute, Lula might have been the most popular head of
Green party party), taking enough votes from Dilma Rousseff of the incumbent PT party to stop her getting the 50% needed to avoid a second round of which she went on to beat Jose Serra of the opposition PSDB party. Despite only winning numerically the vote in one state, the Green Party came second in front of Dilma Rousseff in Amapa, Amazonas, Pernambuco and in Rio de Janeiro in front of Jose Serra. The Green Party tied with Serra in Ceara, both having 16.36% of the vote, although Dilma Rousseff won the state. Maranhão also had a 1.5% difference in vote between