Explore current and historical political parties, map party control, and learn about polarization.
Learn about the factions and members of the first United States Congress
On December 19th, 1998, the House of Representatives passed House Resolution 611, referred President Bill Clinton to the Senate for impeachment prosecution on charges of perjury and obstruction of justice
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.