Organizational Timeline

Department	Year		Action
	1891		Office of Superintendent of Immigration created and placed in the Treasury Department.
	1895		Office of Superintendent of Immigration upgraded to Bureau of Immigration.
	1903		Bureau of Immigration transferred to the newly created Department of Commerce and Labor.
	1906		Federal Naturalization Service created and Bureau of Immigration became the Bureau of Immigration and Naturalization.
	1913		Bureau of Immigration and Naturalization divided into separate Bureaus – the Bureau of Immigration and the Bureau of Naturalization – and placed in the new Department of Labor.
	1924		U.S. Border Patrol created within the Bureau of Immigration.
	1933		The Bureau of Immigration and the Bureau of Naturalization reunited into a single agency, the Immigration and Naturalization Service (INS).
	1940		The Immigration and Naturalization Service (INS) transferred from the Department of Labor to the Department of Justice.
	2003		The INS was abolished and its functions placed under three agencies – U.S. Citizenship and Immigration Services (USCIS), Immigration and Customs Enforcement (ICE), and Customs and Border Patrol (CBP) – within the newly created Department of Homeland Security.