<P> In 1965, Hilton launched Lady Hilton, the first hotel concept created specifically for women guests . To appeal to female travelers, a number of properties offered floors occupied by only women along with distinct amenities for their usage . </P> <P> In 1969, the first DoubleTree Hotel opened . However, Hilton was not affiliated with the brand until its acquisition of the parent company in 1999 . </P> <P> Hilton purchased the Flamingo Las Vegas in 1970, which would become the first in the domestic gaming business to be listed on the NYSE . </P> <P> In 1979, founder Conrad Hilton died at the age of 91 . Hilton Hotels Corporation later created the Conrad Hotels brand in honor of Hilton . </P>

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