The United States District Court for the District of Columbia is the United States District Court that hears cases originating in the District of Columbia under Federal law. Cases dealing with the laws of the District of Columbia are heard by this court only under the same circumstances that would cause a case under State law to come before a Federal court. The court was established by Congress in 1791, as part of the laws establishing a municipal government for the capital city. It sits in the E. Barrett Prettyman Federal Courthouse located on Constitution Avenue, N.W., in Washington, D.C. Appeals from this court are heard by the United States Court of Appeals for the District of Columbia Circuit. The United States district courts are the general trial courts of the United States federal court system. ... ... The Congress of the United States is the legislative branch of the federal government of the United States of America. ... 1791 was a common year starting on Saturday (see link for calendar). ... In politics a capital (also called capital city or political capital — although the latter phrase has an alternative meaning based on an alternative meaning of capital) is the principal city or town associated with its government. ... In Washington, D.C., Constitution Avenue is a major east-west street running just north of the United States Capitol in the citys Northwest and Northeast quadrants. ... The United States Court of Appeals for the District of Columbia Circuit, known informally as the D.C. Circuit, is the federal appellate court for the U.S. district court in Washington, DC. Appeals from the D.C. Circuit, as with all the U.S. Courts of Appeals, are heard...