The 42nd Congress voted 115-65 to establish Yellowstone, America's first national park -- despite concerns surrounding federalism
Visualize the 117th House and its members, and compare it with past congresses
The Senate failed, barely, to secure a two-thirds majority in favor of convicting President Andrew Johnson
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 passed the Equal Rights Amendment 91-9, but an insufficient number of state legislatures subsequently ratified it.