The 50th Congress of the United States was held from March 4, 1887, to March 4, 1889. It consisted of the Senate and the House of Representatives, with significant events including debates over tariffs and the economy. The Congress was marked by the leadership of Speaker of the House Thomas B. Reed and the presidency of Grover Cleveland. During this session, the Sherman Antitrust Act was introduced, aiming to combat monopolies and promote fair competition. The Congress also addressed issues related to immigration, labor rights, and the expansion of the railroad system, reflecting the economic changes of the era.