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.
The House of Representatives voted 421-1 to authorize the use of military force against the perpetrators of the September 11th attacks
The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
Map, visualize, and explore the passage of the USA PATRIOT Act in October 2001