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| Movimento Democrático Brasileiro | |
|---|---|
| Name | Movimento Democrático Brasileiro |
| Native name | Movimento Democrático Brasileiro |
| Abbreviation | MDB |
| Foundation | 1966 |
| Headquarters | Brasília, Federal District |
| Position | Centre to centre-left |
| Colours | Green and yellow |
| Seats1 title | Chamber of Deputies |
| Seats2 title | Federal Senate |
| Country | Brazil |
Movimento Democrático Brasileiro The Movimento Democrático Brasileiro was established in the 1960s and became a central actor in Brazilian political history, participating in transitions, coalitions, and legislative debates. It has featured prominent figures from across Brazil such as Ulysses Guimarães, Tancredo Neves, Fernando Henrique Cardoso, José Sarney, and Michel Temer, and has influenced alignments among parties like the Partido dos Trabalhadores, Partido da Social Democracia Brasileira, and Democratas. The party's trajectory intersects with events including the Brazilian military dictatorship (1964–1985), the Diretas Já movement, and the promulgation of the 1988 Constitution. Its membership and parliamentary presence have shaped debates in institutions like the Chamber of Deputies (Brazil), the Federal Senate (Brazil), and state legislatures across regions such as São Paulo (state), Minas Gerais, and Rio de Janeiro (state).
Founded amid the two-party system created after the Institutional Act Number Two, the party emerged as an opposition bloc and evolved through splits, merges, and rebrandings involving actors from Brazilian Democratic Movement (1966) origins and the later reconstitution in 1979. During the 1980s the party allied with movements and leaders tied to Diretas Já, Brazilian Democratic Movement Party (PMDB) evolution, and the presidential candidacies of figures like Tancredo Neves and Ulysses Guimarães. In the 1990s and 2000s its trajectory intersected with administrations of Fernando Collor de Mello, Itamar Franco, Fernando Henrique Cardoso, and later coalitions with Luiz Inácio Lula da Silva and Dilma Rousseff. More recent history includes leadership during the Impeachment of Dilma Rousseff (2016), the rise of Jair Bolsonaro, and internal realignments involving politicians such as Aécio Neves, Renan Calheiros, Roberto Requião, and Geraldo Alckmin.
The party's platform has ranged across centrism, pragmatism, social liberalism, and alliances with social democratic currents; its positions have been compared in context with Christian democracy, social democracy, and liberal currents represented by groups like Partido Liberal (Brazil). On economic matters the party has supported policies from neoliberalism-influenced stabilization programs during the Plano Real era to more redistributive stances when allied with leaders from Partido dos Trabalhadores. In foreign policy debates it has engaged with issues tied to organizations such as the Organisation of American States, relations with United States, and participation in forums like the Mercosur and the Union of South American Nations. Its stance on social issues has shifted in response to pressures from constituencies tied to federative units like Bahia, Pernambuco, Rio Grande do Sul, and urban centers including São Paulo (city) and Brasília.
The party's organizational structure encompasses national conventions, state directories, municipal committees, and parliamentary leaders in bodies including the Chamber of Deputies (Brazil) and the Federal Senate (Brazil). Notable leaders have included Ulysses Guimarães, Tancredo Neves, José Sarney, Michel Temer, Renan Calheiros, Álvaro Dias, and Aécio Neves, while local influence has been exercised by politicians such as Eduardo Cunha, Sergio Cabral Filho, Paulo Maluf, and Marcelo Crivella. The party has engaged with trade union leaders linked to federations like the Central Única dos Trabalhadores and with business associations like the Confederação Nacional da Indústria in coalition-building. Internal organs have mediated disputes involving factions aligned with personalities such as Romero Jucá and Jader Barbalho.
Electoral cycles have seen the party win gubernatorial contests in states such as Minas Gerais, Maranhão, Pernambuco, and Rio de Janeiro (state), and secure significant representation in the Legislative Assemblies of Brazil and municipal arenas including São Paulo City Council. In presidential contests its candidates have included Ulysses Guimarães and backers of Tancredo Neves, and the party has been pivotal in forming presidential coalitions supporting figures like Itamar Franco and Dilma Rousseff. Parliamentary results have fluctuated in response to alliances with Partido dos Trabalhadores, Partido da Social Democracia Brasileira, and emergent parties like Social Liberal Party (Brazil), affecting seat totals in the Chamber of Deputies (Brazil) and the Federal Senate (Brazil).
Active as a legally authorized opposition entity within the two-party framework under measures such as Institutional Act Number Two, the party served as a platform for dissent and negotiation involving dissidents, exiles like Luís Carlos Prestes, and returnees after amnesty processes linked to the 1979 Amnesty Law. It participated in civic mobilizations that culminated in events like Diretas Já and worked alongside civic groups, intellectuals associated with universities such as the University of São Paulo, and cultural figures involved in movements like Tropicalismo to contest authoritarian measures.
Legislators from the party have authored, sponsored, and negotiated major statutes including provisions in the 1988 Constitution, fiscal reforms relevant to the Plano Real stabilization, and legislation on administrative matters affecting ministries and agencies such as the Ministry of Finance (Brazil), the Ministry of Health (Brazil), and the Ministry of Education (Brazil). The party has been influential in shaping pension debates, public procurement rules, and regulatory frameworks involving entities like the Brazilian Development Bank (BNDES), the National Institute of Social Security (INSS), and oversight commissions in the National Congress of Brazil.
The party has faced criticisms and scandals tied to parliamentary investigations such as Operation Car Wash, impeachment proceedings including the Impeachment of Dilma Rousseff (2016), accusations involving figures like Eduardo Cunha and Renan Calheiros, and allegations of clientelism and corruption in state administrations including Rio de Janeiro (state) and Pará. Internal factionalism, defections to parties like Progressistas and Partido Social Liberal (PSL), and critiques from social movements associated with Movimento dos Trabalhadores Rurais Sem Terra and Central Única dos Trabalhadores have shaped public perceptions and scholarly analyses found in studies comparing the party with contemporaries such as Partido Democrático Trabalhista and Partido Verde (Brazil).