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| 1123 | Birth |  |
| Birth of Frederick I Barbarossa, son of Frederick II Duke of Swabia |
| 1152 | Succession | |
| Succeeds as King of Germany, 1155-1190 |
| 4th Mar Named Emperor by Conrad III to end the feud between the Guelph & Ghibelline |
| 1155 | Coronation | |
| Crowned Holy Roman Emperor by Pope Adrian IV |
| 1155 | Execution of Arnold of Brescia | |
| Frederick I Barbarossa has Arnold of Brescia hanged as a heretic |
| 1155 | Succession | |
| Succeeds as Holy Roman Emperor |
| 1156 | Marriage | |
| 9th June Wurzburg Marries Beatrix, daughter of the late Count of Upper Burgundy |
| 1156 | Rule of Austria | |
| Frederick I Barbarossa makes Austria a duchy |
| 1156 | Rule of Burgundy | |
| 9th June Burgundy Gains Upper Burgundy after marrying Beatrix |
| 1157 | Capture of Bresica | |
| Bresica Frederick I Barbarossa invades Italy & seizes Milan, Brescia & other towns in Lombardy |
| 1157 | Capture of Milan | |
| Milan Invades Italy & seizes Milan, Brescia & other towns in Lombardy |
| 1157 | Diet Besancon | |
| Besancon Sparks off a Papal Investiture contest |
| Besancon The Papal legate describes the imperial crown as a "benefice" |
| Oct Besancon Receives the homage of the Burgundian noblemen |
| 1157 | Invasion of Italy | |
| Frederick's Army is wiped out by typhus |
| Rome Frederick's Army is wiped out by typhus |
| Lombardy Invades Italy & seizes Milan, Brescia & other towns in Lombardy |
| 1157 | Invasion of Lombardy | |
| Lombardy Frederick I Barbarossa invades Italy & seizes Milan, Brescia & other towns in Lombardy |
| 1157 | Invasion of Poland | |
| Frederick I Invades Poland & forces the submission of Duke Boleslav IV |
| 1157 | Surrender | |
| Frederick I Invades Poland & forces the submission of Duke Boleslav IV |
| 1158 | Capture of Milan | |
| June Milan Captures Milan from the insurgents |
| 1158 | Diet Roncaglia | |
| Roncaglia The Imperial Party places an "Imperial Governor" over cites in the Empire |
| 1158 | Invasion of Italy | |
| June Lombardy Claims the right as Emperor & King of the Lombards to rule Lombardy |
| 1158 | Rule of Lombardy | |
| June Lombardy Claims the right as Emperor & King of the Lombards to rule Lombardy |
| 1158 | Succession | |
| June Makes Vladislav of Bohemia a King |
| 1159 | Rebellion | |
| Lombardy Greed of the Emperor's officials leads to revolt of the Lombard cities |
| Lombardy Lombardy has Pope Adrian's support |
| 1160 | Siege of Crema | |
| Crema Enters Crema & destroys the city |
| 1162 | Excommunication of Frederick I Barbarossa | |
| Vatican Excommunicated by the new Pope Alexander III |
| 1162 | Rebellion | |
| Lombardy Responds to the rebellion by burning Milan |
| 1162 | Siege of Milan | |
| Milan Milan is destroyed as Frederick fights the Pope's supporters |
| 1165 | Alliance | |
| Manuel allies with Venice against Frederick I Barbarossa |
| 1166 | Capture of Rome | |
| Captures Rome |
| Rome Captures Rome |
| 1167 | Invasion of Italy | |
| Driven out of Italy by the Lombard League, a coalition of Lombard cities |
| Enters Rome during a 4th invasion of Italy |
| Rome Enters Rome during a 4th invasion of Italy |
| Forced to levae Italy after an outbreak of pestilence destroys his army |
| Rome Forced to levae Italy after an outbreak of pestilence destroys his army |
| Has the antipope Paschal III enthroned & his wife Beatrix crowned |
| Rome Has the antipope Paschal III enthroned & his wife Beatrix crowned |
| 1174 | Invasion of Italy | |
| Returns to Italy having made a generous alliance with the German Princes |
| 1176 | Peace | |
| 29th May Legnano Defeated by the Lombard League & forced to make peace at the peace of Venice |
| 1177 | Absolution of Frederick I | |
| 24th July Venice The Emperor Frederick falls on his knees before Alexander III & obtains absolution |
| 1177 | Excommunication of Frederick I Barbarossa | |
| Vatican Makes peace with Alexander II who rescinds his excommunication |
| 1177 | Independence | |
| Milan Under the Peace of Venice, Milan is granted sel-government |
| Verona Under the Peace of Venice, Verona is granted sel-government |
| 1177 | Peace | |
| Venice Milan & Verona are given self Government |
| Venice Peace is concluded with the Pope & the Emperor regains his power in Italy |
| 1178 | Coronation | |
| 30th July Arles Crowned King of Burgundy |
| 1181 | Exile of Frederick I Barbarossa | |
| Drives Henry the lion into exile, who takes refuge in the court of Henry II |
| 1183 | Peace | |
| Constance The Peace of Constance ends war between the Lombard towns, the Pope & Frederick I |
| 1186 | Alliance | |
| Sicily Frederick's heir marries the Norman heiress of Sicily, Constanza di Apulia |
| 1186 | Marriage | |
| Milan Marries his son Henry VI to the heiress of Sicily making peace with Siciliy |
| Sicily The marriage of Constanza di Apulia splits Sicily from its Allies, the Papal States |
| 1190 | Battle of Iconium | |
| Iconium Wins the Battle of Iconium |
| 1190 | Capture of Konya | |
| Konya Captures Konya in Anatolia |
| 1190 | Death | |
| 10th June River Saleph Death of Frederick I Barbarossa |
| 1190 | Drowning Frederick I | |
| 10th June River Saleph Drowns in Cilcia crusading in Anatolia trying to save the latin Kingdom of Jerusalem |
