The title does not give this site its just due. This is an amazing site that provides information on every Congress beginning with the 73rd (1933-35). The timeline features "partisan composition, the presidential administration, a list of congressional leaders, and notable legislation passed." Click on "Select a Congress in the upper right hand corner of the site to select a session. You can expand and collapse each item of information for related images and documents. For example, click on the 88th Congress, July 2, 1964 for historic videos on the Civil Rights Act of 1964.