Battle of Giglio

Battle of Giglio
	Part of Guelphs and Ghibellines; and Genoese-Pisan Wars
	; Depiction in the Nuova Cronica (14th century)
Date	3 May 1241
Location	Isle of Giglio, Tyrrhenian Sea
Result	Imperial victory
Belligerents
Frederick II; Kingdom of Sicily; Republic of Pisa;	Gregory IX; Republic of Genoa;
Commanders and leaders
Enzio of Sardinia; Ugolino Buzaccherini; Ansaldo de Mari;	Giacobo Malocello
Strength
27 Sicilian galleys; 40 Pisan galleys;	27 Genoese galleys
Casualties and losses
	2,000 killed; 1 archbishop killed; 4,000 captured ; 18 prelates captured; 3 galleys sunk ; 22 galleys captured ;

The naval Battle of Giglio was a military clash between a fleet of the Holy Roman Emperor Frederick II and a fleet of the Republic of Genoa in the Tyrrhenian Sea. It took place on Friday, May 3, 1241 between the islands of Montecristo and Giglio in the Tuscan Archipelago and ended with the victory of the Imperial fleet.

The target of the Imperial fleet was to intercept a delegation of high-ranking prelates from France, Spain, England and northern Italy which were traveling with the Genoese fleet en route to Rome where Gregory IX had summoned a council.

^ ^a ^b Kington Oliphant, T. L. (1862). History of Frederick the Second. Vol. II. Cambridge.{{cite book}}: CS1 maint: location missing publisher (link)^{[full citation needed]}
^ ^a ^b Graf zu Stolberg, Friedrich Leopold (1864). Geschichte der Religion Jesu Christi. Mainz.{{cite book}}: CS1 maint: location missing publisher (link)^{[full citation needed]}
^ ^a ^b Münch, Ernst (1841). König Enzio. Stuttgart.^{[full citation needed]}
^ ^a ^b Milman, Henry (1857). History of Latin Christianity. Vol. IV. London.{{cite book}}: CS1 maint: location missing publisher (link)^{[full citation needed]}