On March 3, 1918, the Central Powers (Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire) signed the Treaty of Brest-Litovsk with the communist government of Russia, ending Russian involvement in World War I. The treaty furthermore opened independence for Finland, Estonia, Latvia, Lithuania and Poland. Read the Treaty of Brest-Litovsk and other documents related to the Peace of Brest-Litovsk from the Avalon Project at Yale University.

On March 3, 1879, Belva Lockwood became the first woman admitted to practice before the United States Supreme Court.