This document provides a historical overview of disabilities and the U.S. mental health care system from ancient times to modern day. It describes early practices like trephination and blood-letting used to treat mental disorders. It then outlines major developments like the establishment of asylums in the 1800s, and the rise of the disability rights movement in the 1970s-1990s which led to laws protecting the rights of those with disabilities, including the Americans with Disabilities Act. The document traces the evolution of approaches to and understanding of mental health care over thousands of years.