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 number 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 head of state since the death in 1816 of Maria I, Queen of the United Kingdom of Portugal, Brazil and the Algarves.