civil war(s), 638 , 677 ; Roman, 272 , 273 , 357civilization, 3 -24, 220 , 262 263, 282 , 399 , 427 , 637
Clairvaux, 439
Clarendon (Edward Hyde), 1st Earl of, English statesman and historian
( 1609-1674), 548
Clarke, Samuel, English philosopher ( 1675-1729), 70
class bias, 74
class struggle, 24 , 556 -557, 724 , 739 , 788 , 790
classification of philosophies, 791 -792
Claudius (Tiberius Claudius Drusus Nero Germanicus), Roman Emperor
( 10 B.C.-A.D.54), 260
Clausewitz, Karl von, Prussian general and writer on military tactics
( 1780-1831), 750
Clazomene, 61
Cleanthes of Assos, Greek Stoic philosopher (?-232? B.C.), 215 , 254 ,
257 -259; quoted, 257
Clement V, Pope (reigned 1305-1314), 480
Clement VI, Pope (reigned 1342-1352), 481 482
Clement VII (Giulio dei Medici), Pope (reigned 1523-1534), 500
Clement VII (Robert of Geneva), Antipope (reigned 1378-1394, at
Avignon), 482 -483
Clement of Alexandria, Greek Father of the Church ( 150?-220), 318
Cleopatra VII, Queen of Egypt ( 69-30 B.C), 218 , 271
clergy, 112 , 302 , 303 , 304 , 395 , 407 , 408 , 409 , 447 448, 529
Clermont, Council of, 430
Clesippus, 76
Clitomachus (or Hasdrubal), Greek philosopher (fl. 129 B.C.), 238 ;
quoted, 238 , 239
clocks, 535 ; of the Cartesians, 668. See also two clocks
Clouds; The ( Aristophanes), 82 , 86 *
Clovis, Merovingian King of the Franks ( 481-511), 386 , 390
Cloyne, 648