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31 mayo 1852 año - Agreement of San Nicolás

Descripción:

Signed by the 14 provinces at the time, but rejected by Buenos Aires.
Established Urquiza as the official leader of the country.
It ended up making Buenos Aires to separate from the confederation

Añadido al timeline:

fecha:

31 mayo 1852 año
Ahora mismo
~ 173 years ago