The House impeached President Donald J. Trump for a second time, an unprecedented feat in U.S. history, on charges of fomenting insurrection
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator
On the final day of John Tyler's presidency, a broad coalition overrode his veto on a minor bill related to customs enforcement -- the first time congress ever overrode a presidential veto.
Explore current and historical political parties, map party control, and learn about polarization.
Felton became the first woman to serve in the Senate, for only 24 hours.
