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.