The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
In 1866, the House voted 105-20 to try former Confederate President Jefferson Davis for treason -- the trial ultimately never occurred.
The Senate passed the Equal Rights Amendment 91-9, but an insufficient number of state legislatures subsequently ratified it.
The House of Representatives voted 421-1 to authorize the use of military force against the perpetrators of the September 11th attacks
The U.S. Senate unanimously voted to pass what would become the 26th Amendment, lowering the voting age to 18.
