sentences:  With the establishment of DC's multiverse system, the Golden Age Hawkgirl was said to have lived on Earth-Two and the Silver Age Hawkgirl on Earth-One.Shayera Hall, The Silver Age version of Hawkgirl / Hawkwoman, was a law enforcement officer from the planet Thanagar and wife of Katar Hol, the Silver Age Hawkman and was a member of the Justice League of America.She was born on Thanagar, which had a scientifically advanced civilization in which crime was virtually unknown.