Regnum Argenta

3th february, 1813. The rioplatense general José de San Martín died in the Battle of San Lorenzo.

Without any opposition, the royalist troops occupied the independent territory. After two months of siege, Buenos Aires capitulated and the existence of the United Provinces of the Rio de la Plata ended.

After heard the news about his colonies in America, the king Ferdinand VII of Spain fled to Buenos Aires and proclaimed the Principality of Rio de la Plata. Another european monarchs imitated him, especially John of Portugal, who suffered a overthrow becouse of his absolutism.

With the peninsular kings and his troops out of the way, Napoléon conquered Spain and Portugal, and en 1814 the Treaty of the Ardennes was signed. With no hope to recover their european thrones, the kings established new kingdoms in their old colonies. In this way, the [[Rio de la Plata (Regnum Argenta)|Kingdom of the Rio de la Plata iniciated its existence.