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Republic of the Rio Grande

1840 – 1840
Sovereign stateNorth America

A federalist rebel republic proclaimed at Laredo against Santa Anna's centralism, claiming Coahuila, Nuevo León and Tamaulipas — quietly abetted by Texas but crushed within ten months.

Collapsed on 6 November 1840 when its general, Antonio Canales Rosillo, surrendered to Mexican forces under Mariano Arista.

Borders in 1840 · drawn from 1 sourced border frame
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Further reading

Sources