The PRI has been governing Mexico for 71 years.
Although he is prohibited from running for re-election, his party, which has governed Mexico for more than 60 years, has a lot at stake.
The Mexican Constitution of 1917 still governs Mexico.
"All these people hate PRI now," he said of the party that has governed Mexico for 65 years.
As the first opposition politician to govern Mexico in more than 71 years, Mr. Fox had promised an austere government.
In total the PRI had governed Mexico for 71 years.
But the ruling party, which has governed Mexico since 1929, said that it was certain of a majority.
From 1521 to 1524, Cortés personally governed Mexico.
Politically, the technocratic politicians were also divided, even among the leaders who governed Mexico.
The ruling party has governed Mexico without interruption since 1929.