In 1866, the House voted 105-20 to try former Confederate President Jefferson Davis for treason -- the trial ultimately never occurred.
Rep Duncan D. Hunter (R-CA) gained notoriety for smoking a vape pen during a congressional hearing on regulating tobacco. He was subsequently convicted of campaign finance violations and resigned, before receiving a presidential pardon from President Trump
In 1949, U.S. Senator Hubert Humphrey called for the abolition of the filibuster in order to advance civil rights bills; as Senate Majority Whip, he advanced civil rights bills; as a Senator in 1975, he voted to lower the threshold to break a filibuster from 67 votes to 60.
The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
The House impeached President Donald J. Trump for a second time, an unprecedented feat in U.S. history, on charges of fomenting insurrection
