during the Mexican Revolution. Mayor Baltazar Aviléz declared the municipality of Mexicali on November 4, 1914, and called for elections to creation of the first ayuntamiento or municipality, which was then headed by Francisco L. Montejano.

In the 20th century, the Colorado Riverland Company, a U.S.-based company, was dedicated to renting Mexican land to farmers; however, these farmers were almost always foreigners, such as Chinese, East Indians and Japanese.