=Clark, George Rogers=, 216-224, 236; in Virginia, 216; portrait of, 217; becomes a leader in Kentucky, 217; at Harrodsburg, 217; receives aid from Patrick Henry to raise army, 218; at old Vincennes, 218-224; at Louisville, 218; surprises Kaskaskia, 218-219; builds the _Willing_, 220; marches on Vincennes, 220-222; retakes Vincennes, 223; unrewarded, 224; result of his work, 224; death, 224. "=Clark's Grant=," 224. =Clay, Henry=, 294-300; "mill boy of the Slashes," 294; studies law, 295; goes to Lexington, 295; sent to United States Senate, 295; speaker of House of Representatives, 296; urges war in 1812, 296; and the Treaty of Ghent, 296; and the Missouri Compromise, 296; and his Compromise Tariff Law, 297; the "Pacificator," 297; portrait of, 297; retires to Ashland, 298; and the Compromise of 1850, 298-299; receives ovation from the people, 299; death, 300. ="Clermont," The=, first successful steamboat, 259-260. =Clovis=, 479. =Coal=, 421-422. =Cold Harbor=, battle of, 336, 349. =Cold storage of meat=, 421. =Colorado, Grand Cañon of the=, 24. ="Columbia," The=, 238. =Columbia River=, discovered by Captain Gray, 238; Lewis and Clark embark on, 242; Fremont on, 286. =Columbus, Christopher=, 2-16, 18, 31; boyhood of, 2, 3; goes to Lisbon, 4; plans new route to India, 5; unfairly treated by King of Portugal, 5; seeks aid of Spain, 6; begs bread for his son at monastery, 7; portrait of, 8; first voyage of, 9-13; discovers the New World, 11; names the natives Indians, 12; honored on return to Spain, 13, 14, 15; last voyages of, 15, 16; death, 16; effect in England of discoveries of, 34. =Committees of Correspondence=, 232. =Compromise of 1850=, 298, 300, 305, 310. =Compromise Tariff Law=, 297. =Concord=, battle of, 130, 175. =Confederate States of America=, formed, 323; capital of, 326; war between Union and, 323-327. =Congress=, 130, 134, 138, 141, 154, 155, 163, 232, 233; First Continental, 172-174; Second Continental, 177; disputes in, 235; Clay in, 296-300; Webster in, 302; Calhoun in, 306-307. =Constantine=, Emperor of Rome, 475. =Constitution of the United States=, 143, 144, 156, 157, 166, 493. =Cooper, Peter=, 269. =Corn-fed cattle=, 419-420. =Corn Island=, 218; Clark dies on, 224. =Cornwallis, Lord=, 136, 137, 213; Washington outwits, 139-140; surrenders at Yorktown, 140; gains victories, 182, 183; Green turns tide against, 185; pursues Morgan, 188; at Guilford Court House, 189; caught at Yorktown, 180; orders Tarleton to catch Marion, 191. =Coronado, Francisco=, 24; searches for rich cities, 24; discovers Grand Cañon of the Colorado, 24; finds buffalo, 24; returns home, 24.