Which of the following is not a major event during the mexican revolution?
a. pancho villa was active in the north
c. the u. s. invaded mexico city
b. emiliano zapata was active in the south
d. the u. s. occupied vera cruz

"The U.S. invaded Mexico City" is the one among the following choices given in the question that is not a major event during the Mexican Revolution. The correct option among all the options that are given in the question is option "c". I hope that this is the answer that has actually come to your desired help.