The Treaty of Guadalupe Hidalgo was signed by Nicholas Trist on behalf of the U.S. and Luis G. Cuevas, Bernardo Couto and Miguel Atristain as plenipotentiary representatives of Mexico on 2 February 1848, at the main altar of the old Basilica of Guadalupe at Villa Hidalgo (within the present city limits) as U.S troops under the command of Gen. Winfield Scott were occupying Mexico City.
Il trattato fu firmato da Nicholas Trist per gli Stati Uniti e Luis G. Cuevas, Bernardo Couto e Miguel Atristain come plenipotenziari, in rappresentanza del Messico, il 2 febbraio 1848 sull'altare maggiore della vecchia Cattedrale di Guadalupe a Villa Hidalgo (oggi Gustavo A. Madero, D.F.