Mexico City legalises the fining of shops which give away free plastic bags in an environmental initiative.
Luis Videgaray Caso resigns as Mexico's finance minister amid fallout over President Enrique Peña Nieto's controversial meeting with U.S. presidential candidate Donald Trump in Mexico City. Videgaray is revealed to have been the main advocate of arranging the meeting.
The Mexican Federal District is officially renamed to Mexico City (Ciudad de México), and becomes one of the 32 first-level administrative entities of Mexico. [https:--www.theguardian.com-world-2016-jan-29-mexico-city-name-change-federal-district-df ("The Guardian)"]