1940
The University of Americas, called Mexico City College, was found in Mexico City by PhD. Henry L. Cain  then head of American School Foundations, and Paul V. Murray, Director of the American School. PhD. Cain became the first President.

1944
12 students’ received the Associate of Arts and Associate of Sciences degrees (as in US Junior College) in the American School Foundation Auditorium.

1946
The US Veteran’s Administration placed the Mexico City College on its list of approved schools, that allowed the Veterans to study in this Institution with funds of the US Government.  The system was changed to a quarter periods.

1947
The Graduate School was founded, with PhD. Lorna L. Stafford and PhD. Jose Gaos as co-directors.  With an enrollment of 21 students, the school awards Bachelors degrees as four-year College system.

1949
The Aztecas won the national American Football Championship.

1950
The first Mesoamerican Notes was published by Robert Barlow. UDLA, became a civil association.

1951
UDLA was accepted as a member of Texas Association of Schools, with extraterritorial status.

1953
PhD. Paul V. Murray became the second President.

1954
The University moved to its new campus at 16 km highway Mexico-Toluca. The Collegian, the student newspaper won the first place of All-American Rating.

1959
The University was accepted as a member of the Southern Association of Colleges and Schools  (SACS)

1962
PhD. Ray D. Lindley was appointed third President.

1963
The University name was changed to University of the Americas, still in English. It was divided into three Schools, Arts and Sciences, Graduate School and the Mexico City College.

1967
The Mary Street Jenkins Foundation and the International Development Agency of the United States assigned substantial funds, so the University could establish in the State of Puebla.

1968
The University legally changed its name to Universidad de las Américas, A.C. and its studies were accredited by the Education Authorities of Puebla. The construction of the new campus began on the former Santa Catarina Martir Hacienda in San Andres Cholula. Engineering classes were taught in the American School Foundation.

1970
The University moved to its new campus in Puebla.