Ulysses Silveira Guimarães was a Brazilian politician and lawyer who played an important role in opposing the military dictatorship in Brazil and in the fight to restore democracy in the country. He died in a helicopter accident by the shore near Angra dos Reis, in the south of Rio de Janeiro state.

The Brazilian Democratic Movement is a Brazilian political party. It is considered a "big tent party" and it is one of the parties with the greatest representation throughout the national territory, with the most numbers of senators, mayors and city councillors, always having formed a large part of the National Congress since 1988, and also has the largest number of affiliates, with 2,043,709 members as of July 2023.