The 42nd Congress voted 115-65 to establish Yellowstone, America's first national park -- despite concerns surrounding federalism
Visualize the 117th Senate and its members, and compare it with past congresses
Felton became the first woman to serve in the Senate, for only 24 hours.
Sen. Rand Paul's motion to hold that the Senate cannot try an impeached official who is no longer in office was defeated 55-45. Most legal scholars agree such a trial is permissible.
The Senate failed, barely, to secure a two-thirds majority in favor of convicting President Andrew Johnson
