The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator
The 42nd Congress voted 115-65 to establish Yellowstone, America's first national park -- despite concerns surrounding federalism
The Senate narrowly votes to approve the Federal Air Highway Act, which funded construction of the Interstate system, linking America by car.
Explore the votes of Hiram Rhodes Revels, the first African-American man elected to the Senate
