| Most of the artifacts date to around 1200 to 900 B.C., when the Olmecs were at the height of their influence. |
| The word is of Mixe-Zoque origin, what now looks like the language of the Olmecs. |
| It was first thought that the Olmecs were monotheistic, but it is now known that they were polytheists. |
| During the latter part of the series, with the arrival of the Olmecs, science fiction is slowly replacing the historical reality. |
| The first major civilization in the territory of the current state was that of the Olmecs. |
| The Maya, Olmecs, Toltecs, and Aztecs built cities and pyramids. |
