Explore current and historical political parties, map party control, and learn about polarization.
The U.S. Senate unanimously voted to pass what would become the 26th Amendment, lowering the voting age to 18.
In 1997, the Senate voted 95-0 to restrict entry of the U.S. into future international climate treaties, ending hopes for legally binding emissions targets for the U.S.
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.
'Lend-Lease' saw the United States send military hardware, oil, and food to foreign allies during World War 2
