Week of May in CONSOnline version The May Revolution was a week-long series of events that took place from 18 to 25 May 1810, in Buenos Aires, capital of the Viceroyalty of the Río de la Plata. This Spanish colony included roughly the territories of present-day Argentina, Bolivia, Paraguay, Uruguay, and parts of Brazil. The result was the removal of Viceroy Baltasar Hidalgo de Cisneros and the establishment of a local government, the Primera Junta (First Junta), on 25 May. by Silvina Flores 1 Events that led to the May Revolution: Put in chronological order Abdication of the Spanish King King Ferdinand VII of Spain was forced to abdicate by Napoleon Bonaparte. This created a power vacuum and uncertainty in the Spanish colonies. Formation of the Primera Junta The open cabildo resulted in the formation of the Primera Junta, the first independent government in Buenos Aires, marking the beginning of the May Revolution. Arrival of News in Buenos Aires News of the fall of the Spanish Junta of Seville reached Buenos Aires, leading to increased unrest and calls for self-governance. Debate on the Future of the Viceroyalty During the open cabildo, intense debates took place regarding the legitimacy of the Spanish authorities and the need for local governance. British Invasions of the Río de la Plata British forces attempted to seize control of the Spanish colonies in the Río de la Plata region. Buenos Aires successfully repelled the invasions Open Cabildo (Town Meeting) An open cabildo was convened in Buenos Aires to discuss the political situation. The meeting was attended by local leaders and representatives of the population.