[13][14] Pre-Columbian era arrowheads, potshards, and rock paintings in the caverns of the Sierra del Laurel and near the present village of Las Negritas testify to the presence of humans in this territory for more than 20,000 years.

[citation needed] Later in the colonial times, Pedro Almíndez Chirino was the first Spaniard who entered the territory, perhaps by the end of 1530 or the beginning of 1531, following the instructions given by Nuño de Guzmán.

It was in order to be in the territory that is presently the state inhabited by Chichimecas, the so-called Guachichiles, that the conquistadors built several forts or presidios.This was a system devised by Martín Enríquez de Almanza following the strategy that had been developing in Spain throughout the Reconquista period.

This was a fortress whose purpose was the protection of the Valle de los Romero and the road to Zacatecas, entering this way to secure the passage of convoys loaded with silver and other metals.

The founding of Aguascalientes as a town came from the order that King Felipe II gave the judge of the court of Nueva Galicia, Don Gerónimo de Orozco, in which he stated that he should look for a rich man to settle in the territory with the purpose of expelling the Chichimecas and of assuring safe passage.

He accepted the assignment and, accompanied by eleven other people, headed to the territory and thus founded the town of Aguas Calientes on October 22, 1575.

It has been noted that it was called San Marcos originally, changing its name on August 18, 1611, to the Villa of Our Lady of the Assumption of Aguas Calientes.

And finally, from June 2, 1875, it was called the Villa of Our Lady of the Assumption of Aguas Calientes; later changing to the city of Aguascalientes, which remains its name today.

[17] In the act of its establishment, the Villa de San Marcos (Aguascalientes) was awarded the highest mayoral jurisdiction under the Kingdom of New Galicia.

In the Mexican War of Independence, in the territory which is today the state of Aguascalientes, the fires of independence were stoked by illustrious and courageous men such as Valentin Gómez Farías, Rafael Iriarte, Rafael Vázquez, and Pedro Parga.Confusion has arisen regarding the exact date when Aguascalientes formally separated from the territory of Zacatecas.

Taking advantage of the independent souls of the Aguascalentenses, and by way of punishing Zacatecas for supporting the Revolution against them, by Federal Decree of General López de Santa Anna dated May 23, 1835, in the third article; ordered that Aguascalientes to be separated from Zacatecas territory, without granting the territory any specific category, reinstating the appointment of the political boss, Pedro Garcia Rojas.

In July 1848, Aguascalientes accepted the peaceful annexation to Zacatecas; but continued making efforts to separate through Miguel García Rojas.

In the independent state, hidrocálidos (people of Aguascalientes) Jesús R. Macías, Manuel Rangel, Augustín Orona, José María Arellano and many other anonymous heroes distinguished themselves in the War of Reform.

Silvestre Dorador, Román Morales, Pedro Vital, Alfonso Guerrero Aguilera and Alberto Fuentes Dávila were forerunners of the Revolution.

The explosion of the Maderist movement embraced the cause in the company of some other compatriots, and the rebel action of the town and the region stayed formalized.

This tradition ceased gradually due to the Spanish Royalty's wishes that grape and wine production be limited to the mother country.

There are several projects for economic development such as: the Financial District Río San Pedro, a monorail, a suburban train, the construction of the newest and most modern WTC in Mexico, over four shopping malls, two theme parks, two Executive Hotels and one whose qualification is five stars, eight bridges for the next five years, a Financial District around the Airport, A Texas Instruments Assembly-Test Plant, A Nissan Assembly plant, a Toyota assembly plant and several others projects place Aguascalientes as the third most competitive state in Mexico with more than US$12,000,000 in foreign direct investment per year (around 8 percent of Mexico's FDI) even though its population is just about 1.03 percent of the country.

However, recently it has also benefited from heavier tourism, since the capital city has gained prestige and status as a national destination for its colonial beauty and cleanliness.

Jesús Terán Peredo International Airport, where 9 flights per day depart to Mexico City, Tijuana, Dallas/Fort Worth and Houston.

The city is also famed for its environment of relaxation, and for its safety and cleanliness, as it is often described by people when traveling to this part of the country for conventions or tourism.

The municipality of Calvillo has a humid subtropical climate, The largest producer of guavas in Mexico,[25] it attracts some fans of watersports to its reservoirs.

Its attractions include observing exuberant landscape and wide ravines, in which, there are pumas, lynxes, boar, white-tailed deer, wild turkey, raccoons and many other animals.

In the city of Aguascalientes one of the best sunsets in the world can be seen in Cerro del Muerto; the hill resembles the shape of a man lying down.

On April 16, 2011, after a draw 1–1 with Atlante F.C., the club's first key game in 2011, Necaxa could not cumulate enough points in order to evade relegation.