15 Nov 1838Costa Rica gainsindependence
27 Nov 1838–9 Mar 1839Pastry War:French attack Mexico
Apr 1839British claimBay Islands
Apr 1839Guatemala gainsindependence
May 1839Los Altos gainsindependence
Jul–Aug 1839Slaves seize Amistad& sail to New York
Dec 1839–Dec 1842Tabasco in revolt
17 Jan 1840Republic ofthe Rio Grandedeclared