2nd » The United States Department of the Treasury is founded.
11th » Alexander Hamilton is appointed the first United States Secretary of the Treasury.
15th » The United States "Department of Foreign Affairs", established by law in July, is renamed the United States Department of State or Department of State and given a variety of domestic duties.
22nd » The office of United States Postmaster General is established.
22nd » Battle of Rymnik establishes Alexander Suvorov as a pre-eminent Russian military commander after his allied army defeat superior Ottoman Empire forces.
24th » The United States Congress passes the Judiciary Act of 1789 or Judiciary Act which creates the office of the United States Attorney General and the federal judiciary system, and orders the composition of the Supreme Court of the United States.
25th » The United States Congress passes twelve amendments to the United States Constitution: the Congressional Apportionment Amendment (which was never ratified), the Twenty-seventh Amendment to the United States Constitution named Congressional Compensation Am
26th » Thomas Jefferson is appointed the first United States Secretary of State, John Jay is appointed the first United States Supreme Court/Chief Justice known as Chief Justice of the United States, Samuel Osgood is appointed the first United States Postmaster
29th » The United States Department of War first establishes a regular United States Army named army with a strength of several hundred men.
29th » The 1st United States Congress adjourns.
Famous Birthdays on September in 1789
15th » James Fenimore Cooper, American soldier and author (d. 1851)
Famous Deaths for September 1789
23rd » John Rogers (Continental Congress) known as John Rogers, American lawyer and politician (b. 1723)