Baltasar Hidalgo de Cisneros
The news of the fall of the Junta of Seville reached Buenos Aires in May 1810. With both the king of Spain and the Junta removed of power, many people thought that Cisneros had no legitimacy to govern, starting the May Revolution. Cisneros tried to calm down the population, to no avail. He called the commanders of the local armies and requested their support, but they denied it. Cisneros was ultimately forced to allow an open cabildo, which would discuss what to do. Although those meetings were usually composed of the wealthiest population, the army and a group of rioters plotted to prevent the entry of many wealthy people and allow common people instead.
Legacy of the May Revolution
May 25 was designated as a patriotic date in 1813, but the Argentine Declaration of Independence provides an alternative national day. In the beginning, this added to the conflicts between Buenos Aires and the provinces during the Argentine Civil War, because the date in May related to Buenos Aires and the date of July 9 related to the whole country. As a result, the unitarian Bernardino Rivadavia canceled the celebration of July 9, and the federalist Juan Manuel de Rosas re-allowed it, but without giving up celebrations in May. By 1880, with the federalization of Buenos Aires, the local connotations were removed and the May Revolution was considered the birth of the nation.