Île de France (Mauritius) [1 reference]

Illinois (state) [1 subentry]

Illinois River [5 references]

Illinois Territory [6 references + 5 subentries]

Ilsley, Robert [1 reference]

Impressment [See redirect]

Independence (U.S. ship) [1 reference]

Independence Day [2 subentries]

India [2 references]

Indiana Territory [7 references + 5 subentries]

Indian Ocean [1 reference]

Indians [14 references + 26 subentries + 1 “see also” entry]

Industry (British schooner) [2 references]

Infantry [2 references]

Ingersoll, Charles Jared [1 reference + 1 “see also” entry]

Innes, Harry [1 reference]

Inventions [3 references + 2 subentries]

Inventors [1 reference]

“Invincibles” (N.Y. militia company) [1 reference]

Iowa Indians [3 references]

Ireland [8 references + 1 subentry]

Iris (U.S. ship) [1 reference]

Irvine, Callender [4 references + 6 subentries]

Irvine, William [1 reference]

Irving, Washington [1 reference]

Isla Delfina [See redirect]

Islam [1 reference]

Israel [1 reference]

Italy [1 reference + 2 subentries]

Izard, George [2 references + 1 “see also” entry]