Santa Maria de los Lagos was founded in 1563 and from this place came the inhabitants who later on built the city of Aguascalientes formerly known as "Villa de la Ascencion."

During November 1828,  was initiated an activity that would give access to the opening of agricultural and livestock markets from various provinces of New Spain.  This date was when crops were chosen and could be shown the products that the city provide. The exhibition was so successful that people from other regions arrived and soon the space where they performed became insufficient. In 1851 Fair moved its facilities to the current place, El Jardin de San Marcos and changed the opening date to the month of April during the celebrations of the Saint Patron of that town. In 1896 began the  construction of the Plaza de Toros de San Marcos which was completed in just 48 days with the aim of adding more attraction to the celebration.

The bullfighting tradition was an essencial element of festivities expanding its coverage in the seventies with the Plaza Monumental de Aguascalientes, which can accommodate 15,000 people comfortably seated. This custom grew through the years, adding new elements that reinforce as one of the most remarkable until it was considered as "National" by the President Adolfo Lopez Mateos in 1958. Nowadays, the Fair of  San Marcos is celebrated from the third week of April until the first week of May (varies each year). This event is world-famous for including on its 34 acres popular activities such as: Bullfighting Poster showing bullfights with young bulls and  recognized bullfighters  in the best plazas of the world, Teatro del Pueblo, cock fighting, Palenque (rounded place where national and international singers present their shows), commercial, industrial  and livestock exhibits, as well as invitations to public to promote the preservation of local traditions.

Another aspect that distinguishes it is the artistic, culinary and folkloric diversity the country and the guest state of each one. The visitors will find within the tourism infrastructure of the city facilities designed to operate on a permanent basis, such as: hotels, restaurants, bars, theaters, nightlife, 24 hrs.transportation and information stands aamong others. The attention, promotion, information and guidance given to people is first-class. Every involved organizer understands that the National Fair of San Marcos is pride of the people of Aguascalientes.