The 42nd Congress voted 115-65 to establish Yellowstone, America's first national park -- despite concerns surrounding federalism
In 1866, the House voted 105-20 to try former Confederate President Jefferson Davis for treason -- the trial ultimately never occurred.
In 1997, the Senate voted 95-0 to restrict entry of the U.S. into future international climate treaties, ending hopes for legally binding emissions targets for the U.S.
In America's first use of the Presidential veto, George Washington vetoed legislation affixing the size of the House of Representatives at 120 members.
The Civil Rights Act of 1964 outlawed discrimination based on race, sex, and national origin in employment, accommodation, and education.
