The political and military struggles between the factions resulted in wars and intrigues.
A series of major disasters occurred in the state from the 1920s to the 1940s.
More finds of nomadic peoples date back to about 5000 BC, with some evidence of the beginning of agriculture.
By 2000 BC, agriculture had been established in the Central Valleys region of the state, with sedentary villages.
In the 1940s and 1950s, new infrastructure projects were begun.
From the 1980s to the present, there has been much development of the tourism industry in the state.
In the Central Valley region of the Southern Mexican state of Oaxaca archeologists discovered evidence of historic settlements.
After the fall of Tenochtitlan, the Spanish took over Oaxaca which led to the eventual decrease of the Native population and the increase in African slaves.
The region was then settled by mostly Spanish immigrants from Europe and the African slaves they brought with them.