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 Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
In 1979, the U.S. Congress established de facto diplomatic relations with Taiwan, including a commitment to militarily defend Taiwan from attack.
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator
