42nd United States Congress
The 42nd United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1871, to March 4, 1873, during the third and fourth years of Ulysses S. Grant's presidency.
Source: Wikipedia — 42nd United States Congress (CC BY-SA 4.0)