Question:  Argent Corporation was a company in Las Vegas that at one time controlled a hotel that operated when?

Related documents: [0]  [DOC] Argent Corporation was a company in Las Vegas that at one time controlled the Hacienda Hotel/Casino, the Stardust Resort & Casino, the Fremont Hotel and Casino and the casino in the Marina Hotel. The company was owned by Allen Glick, a San Diego real estate investor. The name Argent came from the three initials of his name, combined with the first three letters of the word "Enterprises". However, state and local officials in Nevada believed that the casinos were controlled by organized crime families in the Mid-West and that a huge skimming operation was conducted within the casinos. [END] 
[1]  [DOC] The Hacienda Resort Hotel and Casino was a hotel and casino on the Las Vegas Strip in Paradise, Nevada, that operated from 1956 to 1996. It was one of a chain of four Hacienda properties, with the other three being located in Fresno, Bakersfield, and Indio, California. Each Hacienda featured a distinctive horse and rider sign; the Las Vegas sign is now prominently displayed at the Neon Museum. [END]  
Answer: from 1956 to 1996
from 1956 to 1996