Anna Mae Hays (b. February 16, 1920) was the first woman in the U.S. Military
to be promoted to a general officer
rank. She was promoted on June 11, 1970, after the being appointed by President Richard Nixon
on May 15, of that year. She was chief of the Army Nurse Corps
from September 1, 1967 to August 31, 1971.
On the same day, directly after the promotion of Colonel Hays, Elizabeth P. Hoisington was also promoted to Brigadier General.