They commemorated the 200th anniversary of the May Revolution, a sequence of historical events that led to the Viceroy Baltasar Hidalgo de Cisneros being ousted from office and replaced with the Primera Junta, the first national government.
In the night there was a concert of Latin American music, hosted by León Gieco and with the presence of Uruguayan Jaime Roos, Brazilian Gilberto Gil, Víctor Heredia, Gustavo Santaolalla, Colombian Totó la Momposina, Mundo Alas, and Cuban Pablo Milanés.
Presidents Luiz Inácio Lula da Silva of Brazil, Sebastián Piñera of Chile, José Mujica of Uruguay, Hugo Chávez of Venezuela, Rafael Correa of Ecuador, Fernando Lugo of Paraguay, and Evo Morales of Bolivia,[10] and former presidents Manuel Zelaya of Honduras and Martín Torrijos of Panama arrived in Buenos Aires for the closing parade.
[11] Held at the Complejo Ferial Córdoba, it opened on May 22 and featured more than 300 stands from the productive, industrial, touristic, cultural, and technological sectors of the province.
It made an opera concert under the slogan of "founding the second Argentina", and the tenor Darío Volonté invited the people to sing "Aurora".
[16] The replica would differ from the Cabildo's present appearance, as urban development in the twentieth century led to the removal of several outside columns to make room for avenues.
The project is planned for the town of La Punta, and Governor Alberto Rodríguez Saá intends to keep it as a cultural and educational center.
On May 21, President Cristina Fernández de Kirchner canceled her earlier acceptance of Macri's invitation to the Teatro Colón's May 24 reopening gala.
[24] The centennial, moreover, took place only two years before the enactment of the Sáenz Peña Law, which helped make universal suffrage effective to all male citizens in Argentina aged 18 and over.