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.
The House impeached President Donald J. Trump for a second time, an unprecedented feat in U.S. history, on charges of fomenting insurrection
The Senate failed, barely, to secure a two-thirds majority in favor of convicting President Andrew Johnson
Map, visualize, and explore the passage of the USA PATRIOT Act in October 2001
Before she became Vice President, Kamala Harris was the first South Asian-American woman elected to the Senate
