Despite opposition from conservative groups, Justice O'Connor was confirmed unanimously
Although President Johnson had earlier admitted the former Confederate States of America, Congress refused to seat their congressional delegations until passing HR1058 along party lines.
The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
Visualize the 115th Senate and its members, compare it with the past
Explore current and historical political parties, map party control, and learn about polarization.