=Illinois=, U.S. 40N. 89W. First explored by Joliet and Marquette, 1673; French settlement at Kaskaskia, 1720; passed under English jurisdiction, 1763; separated, 1775; admitted to Union, 1818. =Illinois River=, U.S. 40N. 80W. Joliet and Marquette on, 1673; explored by La Salle, 1682. =Indiana=, U.S. 40N. 86W. Early colonised by French; missionary station at Vincennes, 1730; under English jurisdiction, 1763 till W. of Ind.; organised as a territory, 1800; war with Indians, who were finally crushed by victory of Tippecanoe, 1811; admitted to Union, 1816. =Iowa=, U.S. 42N. 93W. First European colony settled by Du Buque, 1788; Burlington settled by English, 1833; originally part of Louisiana, and after having in turns belonged to other territories it was organised as a separate one, 1838; admitted to Union, 1846. =Irwinville=, Georgia. 31N. 83W. Jefferson Davis, president of Confederate States, taken prisoner, 1865. =Isabella=, Haiti. 19N. 71W. F. by Columbus, first European settlement in the New World, 1493. =Island Number Ten=, near New Madrid, Mississippi R. 35N. 89W. Bombarded and surrendered by Confederates, 1862 (Civil War.). =Ithaca=, N.Y. 42N. 76W. Cornell University organised, 1865. =Ituzaingo=, S.A. Brazilians defeated by Argentinians, 1827. (See Crichfield, op. cit.) =Itzolan=, near Cholula, Mexico. Stormed and taken by Cortés, 1520. =Iztapalapan=, Mexico. 23N. 99W. Sack of by Cortés, 1521. =Jackson=, Mississippi. 32N. 90W. Entered by Grant after defeat of Confederates near, 1863. =Jamaica=, W. Indies. 18N. 77W. Discovered by Columbus, 1494; Spaniards settle on, 1509; taken by the English sent by Cromwell, 1655; English confirmed in possession by Treaty of Madrid, 1655; negroes in power over part of island, 1730-37; Maroon revolts, 1795, 1831; emancipation of slaves, 1834; disturbances under Gen. Eyre, 1865. Jamaica was a headquarters of buccaneers in 17th century. =James River= (Powhatan), Virginia. 37N. 78W. Explored by John Smith, 1607. =Jamestown=, Virginia. 37N. 76W. Colony settled by expedition under Newport, John Smith, and others, 1607; the first permanent English settlement in N.A.; Pocahontas, the saviour of John Smith, married at to John Rolfe, 1613; entered and burnt by Bacon, who died here shortly after, 1676; cap. of Virginia till 1698. =Jan Mayen=, island, Arctic Ocean. 71N. 8W. Discovered by Dutch explorer of this name, 1611. =Jersey City=, see Paulus Hook. =Jimaguayú=, Cuba. Battle (Cuban insurrection), 1873. =Jordan River=, Florida. Huguenot colony settled on by Ribault, who gave the harbour the name of Port Royal, 1562. (See Port Royal.) =Juan Fernandez=, island, Chili. 33S. 79W. Here Alexander Selkirk, the prototype of Robinson Crusoe, was marooned, 1704, and lived for over four years. =Juncal=, Brazil. Brazilian fleet defeated by Argentines under Admiral Brown, 1827. =Juncal=, Playon del, near Barcelona, 10N. 64W. Defeat of Royalists under Morales by Piar, 1816 (S. A. W. Ind.).