In 2008, the Washington State legislature declared October 1-31 as Disability History Month. This was done to increase awareness, respect, and acceptance of people with disabilities. October is also federally recognized as Disability Employment Awareness Month.
Check out this link to see a timeline of disability rights enshrined at the Philadelphia’s City Hall Courtyard and indoors at the Parkway Central Library.
This link will take you to a history of disability rights in Washington State.