Question: Was Children's National Medical Center or St. Elizabeths Hospital the first federally operated psychiatric hospital in the United States?

<P0-S0> St. Elizabeths Hospital opened in 1855 as the first federally operated psychiatric hospital in the United States. <P0-S1>  Housing over 8,000 patients at its peak in the 1950s, the hospital at one point had a fully functioning medical-surgical unit, a school of nursing, and accredited internships and psychiatric residencies. <P0-S2>  Its campus was designated a National Historic Landmark in 1990. <SEP> <P1-S0> Baylor College of Medicine (BCM), located in the Texas Medical Center in Houston, Texas, US, is a health sciences university. <P1-S1>  It includes a medical school, Baylor College of Medicine; the Graduate School of Biomedical Sciences; the School of Allied Health Sciences; and the National School of Tropical Medicine. <P1-S2>  The school, located in the middle of the world's largest medical center (Texas Medical Center), is part owner of Baylor St. Luke's Medical Center, part of the CHI St. Luke's Health system, and has hospital affiliations with: Harris Health System, Texas Children's Hospital, The University of Texas MD Anderson Cancer Center, Memorial Hermann - The Institute for Rehabilitation and Research, Menninger Clinic, the Michael E. DeBakey Veterans Affairs Medical Center and Children's Hospital of San Antonio. <SEP> <P2-S0> Children’s National Medical Center (formerly DC Children’s Hospital) is ranked among the top 10 children’s hospitals in the country by "U.S. News & World Report." <P2-S1>  Located just north of the McMillan Reservoir and Howard University, it shares grounds with Washington Hospital Center, National Rehabilitation Hospital, and the DC Veterans Affairs Medical Center. <P2-S2>  Kurt Newman, M.D., has served as the president and chief executive officer of Children’s National since 2011. <P2-S3>  Children's National is a not-for-profit institution that performs more than 450,000 visits each year. <P2-S4>  Featuring 303 beds and a Level IV NICU, Children's National is the regional referral center for pediatric emergency, trauma, cancer, cardiac and critical care as well as neonatology, orthopaedic surgery, neurology and neurosurgery. <SEP> <P3-S0> Mercy Hospital and Medical Center is a 292 bed general medical and surgical Catholic teaching hospital in Chicago, Illinois. <P3-S1>  Established in 1852, The hospital was the first chartered hospital in Chicago. <P3-S2>  In 1859, Mercy Hospital became the first Catholic hospital to affiliate with a medical school—Lind Medical School—and the first to require a graded curriculum. <P3-S3>  Today, Mercy Hospital and Medical Center is part of a nationwide network of Mercy Healthcare facilities. <P3-S4>  Mercy also is the hospital used by the Daley family: all of their children were born there. <P3-S5>  Mercy sold a plot of land to the north of their hospital for 60 million dollars in 2008. <P3-S6>  It is also the main women's cancer center in Illinois. <P3-S7>  It accepted patients from Michael Reese Hospital and Medical Center and absorbed the ambulance routes when the hospital closed in 2008. <P3-S8>  Mercy follows Catholic teaching but does give birth control to rape patients.