Atlas of Battles

war, 50 engagements

Battles of Gregorian Reform

The atlas places 50 engagements of Gregorian Reform: 37 battles, 12 sieges and 1 naval action between 1080 and 1391, all in present-day Italy. The most widely documented: Battle of Legnano, Battle of Montaperti.

See them on the globe

Battle of Volta MantovanaBattle of SorbaraBattle of BianelloBattle of Santa Lucia delle SpianateBattle of the VernavolaSiege of TortonaSiege of MilanSiege of CremaBattle of SizianoBattle of CarcanoSiege of MilanSiege of AlessandriaBattle of CalcinatoBattle of Casei GerolaSiege of BresciaSiege of FaenzaSiege of ViterboBattle of SpelloBattle of FlorenceBattle of ParmaBattle of FossaltaBattle of FoggiaBattle of CassanoBattle of Colle Val d'ElsaBattle of RoccavioneBattle of DesioBattle of SperlingaBattle of Pieve al ToppoBattle of CatanzaroSiege of SyracuseSiege of PaviaBattle of GaggianoSiege of PaviaBattle of Ponte San PietroSiege of MirandolaBattle of BardiBattle of GorgonzolaBattle of Vaprio d'AddaBattle of AltopascioBattle of ZappolinoBattle of GamenarioBattle of CasorateBattle of SolaraBattle of AlessandriaBattle of Monte PorzioBattle of LegnanoBattle of CortenuovaBattle of GiglioBattle of MontapertiBattle of CampaldinoBattle of Monte PorzioBattle of LegnanoBattle of CortenuovaBattle of GiglioBattle of MontapertiBattle of CampaldinoGenevaBarcelonaMilanNaplesLyonBelgradeTiranaPalermoZagrebSarajevo500 km41.732N, 11.664E
50 placed engagements, coloured by era. Present-day coastlines; ringed marks are the most widely documented.

Engagements by decade

1080s: 2 engagements1090s: 1 engagements1140s: 1 engagements1150s: 5 engagements1160s: 3 engagements1170s: 2 engagements1200s: 1 engagements1210s: 1 engagements1230s: 2 engagements1240s: 7 engagements7 in 1240s1250s: 2 engagements1260s: 2 engagements1270s: 2 engagements1280s: 3 engagements1290s: 2 engagements1300s: 1 engagements1310s: 3 engagements1320s: 6 engagements1340s: 1 engagements1350s: 1 engagements1360s: 1 engagements1390s: 1 engagements1080s1390s
50 dated engagements, one bar per decade, coloured by era.

The war in time order

Battle of Volta Mantovana, 1080Battle of Sorbara, 1084Battle of Bianello, 1092Battle of Santa Lucia delle Spianate, 1145Battle of the Vernavola, 1154Siege of Tortona, 1155Siege of Milan, 1158Siege of Crema, 1159Battle of Siziano, 1159Battle of Carcano, 1160Siege of Milan, 1161Battle of Monte Porzio, 1167Siege of Alessandria, 1174Battle of Legnano, 1176Battle of Calcinato, 1201Battle of Casei Gerola, 1213Battle of Cortenuova, 1237Siege of Brescia, 1238Siege of Faenza, 1240Battle of Giglio, 1241Siege of Viterbo, 1243Battle of Spello, 1246Battle of Florence, 1248Battle of Parma, 1248Battle of Fossalta, 1249Battle of Foggia, 1254Battle of Cassano, 1259Battle of Montaperti, 1260Battle of Colle Val d'Elsa, 1269Battle of Roccavione, 1275Battle of Desio, 1277Battle of Sperlinga, 1283Battle of Pieve al Toppo, 1288Battle of Campaldino, 1289Battle of Catanzaro, 1297Siege of Syracuse, 1298Siege of Pavia, 1302Battle of Gaggiano, 1313Siege of Pavia, 1315Battle of Ponte San Pietro, 1315Siege of Mirandola, 1321Battle of Bardi, 1321Battle of Gorgonzola, 1323Battle of Vaprio d'Adda, 1324Battle of Altopascio, 1325Battle of Zappolino, 1325Battle of Gamenario, 1345Battle of Casorate, 1356Battle of Solara, 1363Battle of Alessandria, 139110801391
One tick per dated engagement; taller ticks are more widely documented. Each tick is a link.

Commanders 2 with pages

Engagements by date

DateEngagementPlaceResult
15 October 1080Battle of Volta MantovanaVolta Mantovana, Italypro-Imperial victory
1084Battle of SorbaraSorbara, Italy
1092Battle of BianelloCastle of Bianello, Italy
1145Battle of Santa Lucia delle SpianateSanta Lucia delle Spianate, Italy
July 1154Battle of the VernavolaVernavola, Italy
13 February 1155Siege of TortonaTortona, ItalyImperial victory
6 August 1158Siege of MilanMilan, Italy
2 July 1159Siege of CremaCrema, ItalyImperial victory
15 July 1159Battle of SizianoSiziano, Italy
9 August 1160Battle of CarcanoCarcano, Italy
30 May 1161Siege of MilanMilan, Italy
29 May 1167Battle of Monte PorzioMonte Porzio Catone, ItalyImperial victory
29 October 1174Siege of AlessandriaAlessandria, ItalyLombard League victory; Imperial siege abandoned; Alessandria remains...
29 May 1176Battle of LegnanoLegnano, ItalyLombard League victory
9 August 1201Battle of CalcinatoCalcinato, ItalyGhibelline victory
2 October 1213Battle of Casei GerolaCasei Gerola, Italy
27 November 1237Battle of CortenuovaCortenuova, ItalyImperial victory; League field army virtually destroyed
1238Siege of BresciaBrescia, ItalyGuelph victory; Imperial withdrawal; Brescia successfully resists the...
July 1240Siege of FaenzaFaenza, ItalyImperial victory
3 May 1241Battle of GiglioGiglio, ItalyImperial-Pisan victory
1243Siege of ViterboViterbo, ItalyPapal-Guelph victory; Frederick II abandons the siege; Imperial...
1246Battle of SpelloSpello, ItalyImperial victory
1248Battle of FlorenceFlorence, ItalyImperial–Ghibelline victory; Florentine Guelph faction defeated and...
1248Battle of ParmaParma, ItalyGuelph victory; Imperial blockade of Parma broken; Camp at Vittoria...
1249Battle of FossaltaModena, ItalyGuelph victory
1254Battle of FoggiaFoggia, Italy
16 September 1259Battle of CassanoCassano d’Adda, ItalyDecisive Guelph victory
4 September 1260Battle of MontapertiSiena, ItalyDecisive Ghibelline victory
16 June 1269Battle of Colle Val d'ElsaSiena, ItalyGuelph victory
12 December 1275Battle of RoccavioneRoccavione, ItalyDecisive Ghibelline Victory
21 January 1277Battle of DesioDesio, ItalyDecisive Visconti victory
1283Battle of SperlingaCastle of Sperlinga, Italy
1288Battle of Pieve al ToppoItalyArezzo victory
11 June 1289Battle of CampaldinoCampaldino, ItalyDecisive Guelph victory
1297Battle of CatanzaroCatanzaro, Italy
1298Siege of SyracuseSyracuse, Italy
February 1302Siege of PaviaPavia, Italy
1313Battle of GaggianoGaggiano, Italy
1315Siege of PaviaPavia, Italy
January 1315Battle of Ponte San PietroPonte San Pietro, Italy
28 November 1321Siege of MirandolaMirandola, Italyvictory of Duke Passerino
29 November 1321Battle of BardiBardi, Italy
1323Battle of GorgonzolaTrecella, ItalyInconclusive; Milan halts the imperial offensive; Imperial tactical...
28 February 1324Battle of Vaprio d'AddaVaprio d'Adda, Italy
23 September 1325Battle of AltopascioAltopascio, Italy
15 November 1325Battle of ZappolinoValsamoggia, ItalyModenese victory
22 April 1345Battle of GamenarioSantena, ItalyGhibelline victory; Partition of Piedmont
1356Battle of CasorateCasorate Primo, ItalyInconclusive; Milan halts the Imperial offensive; Imperial tactical...
6 April 1363Battle of SolaraSolara, Italy
25 June 1391Battle of AlessandriaAlessandria, ItalyMilanese victory

Engagements are the Wikidata records placed within Gregorian Reform (or a campaign of it) that carry coordinates; actions without coordinates are not shown.