Santa Anna.
Benito Juarez.
He was elected as president of Mexico during the 2012 elections.
During which one? You are asking something on the lines of "Who was the president of the US during July 4th".
No. It was President James Knox Polk who was President during the war with Mexico.
James Polk
Which U.S. president refused to recognize General Huerta as the leader of Mexico during the revolution
WW II and Korea.
James K. Polk
Antonio Lopez de Santa Ana
Benito Juarez
During the early hours of September 16, the actual independence day for Mexico.
Juan Rodriguez Jose Santiago III