It is considered that the first gas appliances were placed in 1874 in the Main Square in Aguascalientes, and premiered on the birthday of the President of the Republic, Sebastián Lerdo de Tejada. This novelty was an attraction for the population, who was very pleased by the new improvement.
For the care of these apparatuses it became necessary the presence of the -Sereno-, that personage first appeared in Mexico at the end of Century XVIII that was distinguished by shouting the time for the passers-by, that was the one in charge to turn on and to turn off the lanterns ; With his patience to withstand the rain, the cold, the heat and the pleas of the lovers.
