Introduction: A Moment in Time, 1968: A special series on the 40th anniversary of a year of upheaval, in a world seemingly out of control.

Content: Until the middle of 1968, it seemed as though Mexico would be spared the unrest and violence that was sweeping the rest of the world. Despite the occasional outburst from labor unions and student groups over the years, quickly suppressed by the regular police and the infamous and brutal riot police, granaderos, Mexican society remained an intensely conservative one. It was seemingly devoted to its one-party state dominated since the 1920s by the PRI, the Institutional Revolutionary Party. The so-called, “el milagro Mexicano,” the Mexican miracle, over three decades of unprecedented economic growth had boosted incomes, although unevenly, and began a significant expansion of the Mexican middle class.