San Luis de la Paz, Gto. Tuesday, August 7, 2012. Nevertheless in 2012 we celebrate the 47th edition of the Regional Fair of the Northeast of Guanajuato, based in San Luis de la Paz, we have around 150 years of carrying out popular festivities. From the middle of the 19th century, we have done an annual fair. From oral sources, we know that in the 20th century it was held in various places, like at 5 de Mayo Street, the Alameda, the Matamoros Esplanade, the space in which is today the Sierra Gorda Boulevard, Jimenez Street, the Internado Field, Zaragoza Street, and in its current installations at Mexico 68 Street.