2006
- November 25 – Popular singer Valentín Elizalde is ambushed and gunned down along with his manager (and best friend) Mario Mendoza Grajeda, and driver Reynaldo Ballesteros, in the border city of Reynosa, across the border from McAllen, Texas.
- December 1 – President Felipe Calderón assumes office. He also imposes a cap on salaries of high-ranking public servants and orders a raise on the salaries of the Federal Police and the Mexican Armed Forces.
- December 11 – Operation Michoacan is launched against the La Familia Michoacana cartel. A total of more than 60 Mexican soldiers and more than 100 police officers, and 500 cartel gunmen are killed in the operation.
Read more about this topic: Timeline Of The Mexican Drug War