Original sentence: 1946 - known as the Flamingo Hilton from 1974-99.1952 - October 7, 1952.1955 - April 20, 1955.1957 - April 4, 1957.1966 - August 5, 1966.1968 - October 18, 1968.1973  Previously known as the Holiday Casino.1973 - Bonanza Hotel July 5, 1973 as the MGM Grand Hotel and Casino, Sold in 1986 and renamed.1979 - 1979 was Barbary Coast Hotel and Casino before March 1, 2007.1979 - Nob Hill 1979Casino Royale 1992.1980 Previously known as the Flamingo Capri.1989 - November 22, 1989.1990 - June 19, 1990.1993 - October 15, 1993.1993 - October 27, 1993 formerly "Treasure Island at The Mirage" (until circa 2000).1995 - April 30, 1995.1995 - June 21, 1995.1998 - October 15, 1998.1999 - March 2, 1999.1999 - May 3, 1999.1999 - September 1, 1999.1999Top four floors of Mandalay Bay's main building.2004On November 17, 2005 TheHotel changed signage to set it apart from the Mandalay Bay.2005 - April 28, 2005.2008 - December 22, 2008.2008 - January 17, 2008
Edited sentence: - known as the Flamingo Hilton from 1974-99.1979 was Barbary Coast Hotel and Casino before March 1, 2007.Bonanza Hotel July 5, 1973 as the MGM Grand Hotel and Casino, Sold in 1986 and renamed.Date \opened.Nob Hill 1979Casino Royale 1992.On November 17, 2005 TheHotel changed signage to set it apart from the Mandalay Bay.Previously known as the Flamingo Capri.Previously known as the Holiday Casino.Top four floors of Mandalay Bay's main building.formerly "Treasure Island at The Mirage" (until circa 2000)