During the 11th, 12th and 13th centuries Parma had its full share of the Guelph and Ghibelline struggles, in which it mainly took the part of the former, and also carried on repeated hostilities with Borgo San Donnino and Piacenza.
From the Tuscan league Pisa, consistently Ghibelline, stood aloof.
In the Ghibelline capital of Tuscany.
To make head against the Ghibelline party.
The battle between Guelph and Ghibelline raged with unintermitting fury.
Civil Wan He lost the island, which gave itself to Aragon; and of Gue!phs thus the kingdom of Sicily was severed from that of anj Naples, the dynasty in the one being Spanish and Ghibelline, in the other French and Guelph.
Ghibelline aristocracy and immobility idealize the emperor.
No city calls itself either Guelpi or Ghibelline till it has expelled one-half of its inhabitants; for each party is resolved to constitute the state according to its own conception, and the affirmation of the, one programme is the negation of the other.
The Ghibelline honestly believes that the Guelphs will reduce society to chaos.
The profits of his inroad were reaped by despots, who used the Ghibelline prestige for the consolidation of their own power.
The tyrants, as we have already seen, established themselves as captains of the people, vicars of the empire, vicars for the church, leaders of the Guelph and Ghibelline parties.
There were considerable Guelph and Ghibelline struggles even at Orvieto, the latter party being finally destroyed in 1313, and the representatives of the former, the Monaldeschi, obtaining the supreme power.
Planning a Guelph Crusade, which should be under the direction of the church; and to this Guelph project he opposed the Ghibelline plan of Henry VI., with such success that he transmuted the Fourth Crusade into a political expedition against Constantinople.
For, however Ghibelline might be the original intention, the result was not commensurate with the subtlety of the design, and the power of the pope was rather increased than diminished by the event of the Crusade.
In part the war of Guelph and Ghibelline fought itself out in the East; and while one party demanded a regency, as in 1243, another argued for the recognition of Conrad, the son of Frederick II., as king.
In the struggles of that time it was generally on the Ghibelline side.
Thereupon, to spite the rival republic, the Sienese took the Ghibelline side, and the German emperors, beginning with Frederick Barbarossa, rewarded their fidelity by the grant of various privileges.
Siena applied to Manfred, obtained from him a strong body of German horse, under the command of Count Giordano, and likewise sought the aid of its Ghibelline allies.
But the battle of Benevento (1266) and the establishment of the dynasty of Charles of Anjou on the Neapolitan throne put an end to the Ghibelline predominance in Tuscany.
For some time Siena remained faithful to the Ghibelline cause; nevertheless Guelf and democratic sentiments began to make head.
This invitation was refused by Louis on his nephew's behalf, but after Manfred's fall in 1266 envoys from the Ghibelline cities came to Bavaria and urged him to come and free Italy.
In the Guelph and Ghibelline struggles Cremona took the latter side, and defeated Parma decisively in 1250.
In the Wars of the Investitures Matilda was ever on the papal (afterwards called Guelph) side against the emperor and the faction afterwards known as Ghibelline, and she herself often led armies to battle.
The citizens found themselves in opposition to the nobility of the hills around the city, Teutonic feudatories of Ghibelline sympathies, who interfered with their commerce.
The Ghibelline cause revived in Tuscany and imperial authority was re-established.
The tumults against the Paterine heretics (1244-1245), among whom were many Ghibelline nobles favoured by the podestd Pace di Pesamigola, indicate a successful Guelphic reaction; but Frederick II., having defeated his enemies both in Lombardy and in the Two Sicilies, appointed his natural son, Frederick of Antioch, imperial vicar in Tuscany, who, when civil war broke out, entered the city with 1600 German knights.
But, although greatly strengthened, the Guelphs, who now may be called the democrats as opposed to the Ghibelline aristocrats, were by no means wholly victorious, and in 1251 they had to defend themselves against a league of Ghibelline cities (Siena, Pisa and Pistoia) assisted by Florentine Ghibellines; the Florentine Uberti, who had been driven into exile after their plot of 1258, took refuge in Siena and encouraged that city in its hostility to Florence.
During this new Ghibelline predominance (1260-1266) the old liberties were abolished, and the popolo was deprived of all share in the administration.
After some disturbances Guido Novello and the Ghibellines were expelled, but it was not the popolo who triumphed; the pope and Charles were the real masters of the situation, and the Florentines found they had exchanged a foreign and Ghibelline protector for one who was foreign and Guelph.
The republic now turned to the task of breaking the power of the Ghibelline cities of Pisa and Arezzo.
In 1351 Giovanni Visconti, lord and archbishop of Milan, having purchased Bologna and allied himself with sundry Ghibelline houses of Tuscany with a view to dominating Florence, the city made war on him, and in violation of its Guelph traditions placed itself under the protection of the emperor Charles IV.
They seem to have always been Guelphs, and in the civil broils of Orvieto they sided with the Monaldeschi faction against the Ghibelline Filippeschi.
Took refuge in the Ghibelline township of Arezzo; and it was here, on the very night when his father, in company with other members of the White party, made an unsuccessful attempt to enter Florence by force, the Francesco first saw the light.
Upon the distracted state of Italy, and entreated him to resume the old Ghibelline policy of Imperial interference.
They took opposite sides in the great strife of the time between pope and emperor, and were Guelf and Ghibelline by old tradition, or as one or other faction prevailed in them.
Erected on the site of the palace of Ubertino Landi, a leader of the Ghibelline party.
For the most part it remained Guelph, though at times, as when it called in Galeazzo Visconti, it was glad to appeal to a powerful Ghibelline for aid against its domestic tyrants.
The jealousy between Pavia and Milan having in 1056 broken out into open war, Pavia had recourse to the hated emperors, though she seems to have taken no part in the battle of Legnano; and for the most part she remained attached to the Ghibelline party till the latter part of the 14th century.
In spite of these multifarious safeguards, however, family factions early destroyed the fabric of liberty, especially as, just as there was an imperial, or Ghibelline, and a papal, or Guelph party among the cities as a whole, thus also within each town each faction would allege adherence to and claim support by one or other of the great world-powers.
Rome itself became too Ghibelline for the pope, who withdrew to Viterbo, where he died on the 25th of May 1261.
From these contests of rival nobles, in which the names of Spinola and Doria stand forth with greatest prominence, Genoa was soon drawn into the great vortex of the Guelph and Ghibelline factions; but its recognition of foreign authority - successively German, Neapolitan and Milanese - gave way to a state of greater independence in 1339, when the government assumed a more permanent form with the appointment of the first doge, an office held at Genoa for life, in the person of Simone Boccanera.
T Italy, where he had powerful and numerous friends in the Ghibelline party, the Visconti family and others; in January 1328 he was crowned emperor at Rome, and after this event he declared Pope John deposed and raised Peter of Corvara to the papal chair as Nicholas V.