The 50th United States Congress convened from March 4, 1887, to March 4, 1889. It consisted of the Senate and the House of Representatives, with a total of 318 members. The Democratic Party held a majority in both chambers during this session. Key legislation during the 50th Congress included the Interstate Commerce Act of 1887, which aimed to regulate railroad rates, and the Dawes Act, which sought to assimilate Native Americans into American society by allotting them individual plots of land. The Congress also addressed issues related to tariffs and economic policies.