1990 - Americans with Disabilities Act
The Civil Rights Act of 1964 prohibited discrimination based on race, religion, and sex. On July 26th, discrimination based on disability was added to the prohibited list. The Americans with Disabilities Act covered discrimination in
* employment,
* public services and public transportation,
* public accommodations, and
* telecommunications.

Extensive information about the law is available through the U.S. Department of Justice site, http://www.ada.gov.