In 1866, the House voted 105-20 to try former Confederate President Jefferson Davis for treason -- the trial ultimately never occurred.
The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
Use the 'tabular view' to quickly check NOMINATE scores
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator
Tammy Baldwin (D-WI) became the first openly LGBT senator in 2012.