The following are key dates and events in the evolution of programs for Older Americans. For the complete list provided by the Administration on Aging, please see www.aoa.gov.

1920
The Civil Service Retirement Act provided a retirement system for many governmental employees.

1935
The Social Security Act passed; provides for Old Age Assistance and Old Age Survivors Insurance.

1937
Railroad Retirement Act provided pensions for retired railroad employees and spouses.