The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
The 22nd Amendment, which established term limits for the Presidency of the United States, passed with some bipartisan support.
The Senate failed, barely, to secure a two-thirds majority in favor of convicting President Andrew Johnson
Felton became the first woman to serve in the Senate, for only 24 hours.
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