hearing - A meeting of a committee or subcommittee -- generally open to the public -- to take testimony in order to gather information and opinions on proposed legislation, to conduct an investigation, or review the operation or other aspects of a Federal agency or program.
Congressional Sessions lists all Congresses and corresponding years - from 1789, when the 1st Congress met, through the current Congress.
You can access legislative information, by bill number or key words, from the THOMAS Web site. Information from the present back to the 93rd Congress (1973) is available on THOMAS.
For information on the Senate, Congress, the legislative process and the federal government, the Virtual Reference Desk is a good place to begin.