It is named for Melchor Múzquiz, President of the Republic in 1832, born in Santa Rosa in 1790.

The town of El Nacimiento is home to the Kickapoo and the Mascogos, both of whom originated in the eastern United States.

The miners who died were identified as: Mauricio Cortés (from La Cuchilla), Humberto Rodríguez (from La Mota), Damián Ernesto Robles Arias, 27 (from Las Rancherías), Gonzalo Cruz Marín, 53 (from Las Rancherías), Leopoldo Méndez Sánchez, 20, (proveniente from La Mota), and Francisco Briseño, (“Chicano”).

43 safety violations were detected during the last inspection in July 2004, and 48 urgent recommendations were made; however, there was no follow-up.

[3] The organization Pasta de Conchos complained of the dangerous conditions in the mine in September 2020, but nothing was done to improve the situation.