Sforza Attendolo, rise to distinction of, i. 481;
his tactics relative to the crown of Naples, 489, 490.
Sforza (Francesco), powerful position achieved by, i. 483;
becomes duke of Milan, ib.;
joins in the quadruple league, 493;
his policy towards Naples, 504;
accession and assassination of his son Galeazzo, 496;
policy of Ludovico Sforza, ib.;
he directs the French king's attention towards Naples, 505;
short-sightedness of his views, ib.
Sheriffs, partiality of, in elections, iii. [113];
how originally appointed, [120] and [note] y.
Sicily, conquest of, by Roger Guiscard, i. 363;
its subsequent fortunes, 378;
its rebellion against Charles of Anjou, 483;
the Sicilian Vespers, 484 and note;
opposition of the Sicilians to Charles II. of Naples, 484;
settlement of the crown on Frederic, 485;
Sicilian possessions of the Chiaramonti, 490;
union of Sicily with Aragon, ib.
Sigismund elected emperor of Germany, ii. 87 and note g;
his safe-conduct violated, 102;
acquires the crown of Hungary, 104;
his conduct at the council of Constance, 249.
Silk manufacture established in Palermo, iii. [331].
Silvester II. (pope), scientific acquirements of, iii. [290], [291] [note].
Simony. See [Church], [Clergy].
Slavery, existence of, in ancient times, i, 197;
its features amongst the Franks, 198 and note q;
voluntarily submitted to from superstitious motives, 199;
edicts for its abolition, 202;
submitted to by the poor for subsistence sake, 328;
Venetian and English slave-trading, iii. [316] and [note] d.
Society, state of.
See [Architecture], [Chivalry], [Clergy], [Feudal System], [Learning], [Superstition], [Trade], [Villenage].