![Anonymous | Pope Alexander III presents Doge Ziani with standards and bugles after his defeat of Holy Roman Emperor Frederick I Barbarossa, from "Il gran Teatro di Venezia" (The great theater of Anonymous | Pope Alexander III presents Doge Ziani with standards and bugles after his defeat of Holy Roman Emperor Frederick I Barbarossa, from "Il gran Teatro di Venezia" (The great theater of](https://images.metmuseum.org/CRDImages/dp/original/DP885898.jpg)
Anonymous | Pope Alexander III presents Doge Ziani with standards and bugles after his defeat of Holy Roman Emperor Frederick I Barbarossa, from "Il gran Teatro di Venezia" (The great theater of
![File:The Submission of the Emperor Frederick Barbarossa to Pope Alexander III.jpg - Wikimedia Commons File:The Submission of the Emperor Frederick Barbarossa to Pope Alexander III.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/0/07/The_Submission_of_the_Emperor_Frederick_Barbarossa_to_Pope_Alexander_III.jpg)
File:The Submission of the Emperor Frederick Barbarossa to Pope Alexander III.jpg - Wikimedia Commons
![Image of FREDERICK II (1194-1250). Holy Roman Emperor, 1215-1250. The Excommunication Of Frederick II By Pope Gregory IX. Oil On Canvas By Giorgio Vasari (1511-1574). From Granger - Historical Picture Archive Image of FREDERICK II (1194-1250). Holy Roman Emperor, 1215-1250. The Excommunication Of Frederick II By Pope Gregory IX. Oil On Canvas By Giorgio Vasari (1511-1574). From Granger - Historical Picture Archive](https://www.granger.com/wmpix/por2/fdk/0005843-FREDERICK-II-1194-1250-Holy-Roman-Emperor-1215-1250-The-excommunication-of-Frederick-II-by-Pope-Gregory-IX-Oil-on-canvas-by-Giorgio-Vasari-1511-1574.jpg)
Image of FREDERICK II (1194-1250). Holy Roman Emperor, 1215-1250. The Excommunication Of Frederick II By Pope Gregory IX. Oil On Canvas By Giorgio Vasari (1511-1574). From Granger - Historical Picture Archive
![Religious, Schedel, Pope Aeneas Silvio Piccolomini, Pius II, meets Fre – Philographikon Antique Maps and Prints Religious, Schedel, Pope Aeneas Silvio Piccolomini, Pius II, meets Fre – Philographikon Antique Maps and Prints](https://lovelyantiqueprints.com/cdn/shop/products/IMG_5127_1024x1024.jpg?v=1577632217)
Religious, Schedel, Pope Aeneas Silvio Piccolomini, Pius II, meets Fre – Philographikon Antique Maps and Prints
![Submission of Frederick Barbarossa before Pope Alexander III during the signing of the Treaty of Venice, c.1563 - Francesco de' Rossi (Francesco Salviati), "Cecchino" - WikiArt.org Submission of Frederick Barbarossa before Pope Alexander III during the signing of the Treaty of Venice, c.1563 - Francesco de' Rossi (Francesco Salviati), "Cecchino" - WikiArt.org](https://uploads2.wikiart.org/00291/images/francesco-de-rossi-francesco-salviati/francesco-salviati-e-giuseppe-porta-detto-il-salviatino-riconciliazione-di-papa-alessandro-iii-e.jpg!Large.jpg)
Submission of Frederick Barbarossa before Pope Alexander III during the signing of the Treaty of Venice, c.1563 - Francesco de' Rossi (Francesco Salviati), "Cecchino" - WikiArt.org
![Frederick Barbarossa (c.1123-90) Pays Public Homage to Pope Alexander III (1105-81) in March 1177 by Federico Zuccaro Reproduction For Sale | 1st Art Gallery Frederick Barbarossa (c.1123-90) Pays Public Homage to Pope Alexander III (1105-81) in March 1177 by Federico Zuccaro Reproduction For Sale | 1st Art Gallery](https://www.1st-art-gallery.com/media/catalog/product/cache/9bad95616889b8b60a4bb85fbf2f33f9/b/a/base_18092717.jpg)
Frederick Barbarossa (c.1123-90) Pays Public Homage to Pope Alexander III (1105-81) in March 1177 by Federico Zuccaro Reproduction For Sale | 1st Art Gallery
![Pope Pius II and the Emperor Frederick III seated on one throne, 1493 by Michael Wolgemut, Wilhelm Pleydenwurff :: | Art Gallery of NSW Pope Pius II and the Emperor Frederick III seated on one throne, 1493 by Michael Wolgemut, Wilhelm Pleydenwurff :: | Art Gallery of NSW](https://www.artgallery.nsw.gov.au/media/collection_images/6/6451%23%23S.jpg)
Pope Pius II and the Emperor Frederick III seated on one throne, 1493 by Michael Wolgemut, Wilhelm Pleydenwurff :: | Art Gallery of NSW
![Pietro Malombra | The Emperor Frederick Barbarossa Submitting to Pope Alexander III in the Presence of a Doge | The Metropolitan Museum of Art Pietro Malombra | The Emperor Frederick Barbarossa Submitting to Pope Alexander III in the Presence of a Doge | The Metropolitan Museum of Art](https://images.metmuseum.org/CRDImages/dp/original/DP801422.jpg)
Pietro Malombra | The Emperor Frederick Barbarossa Submitting to Pope Alexander III in the Presence of a Doge | The Metropolitan Museum of Art
![The Envoy of Pope Alexander III 1105-81 and Doge Sebastiano Ziani d.1178 with Emperor Frederick Barbarossa 1122-90 by Jacopo Tintoretto (Robusti) Reproduction For Sale | 1st Art Gallery The Envoy of Pope Alexander III 1105-81 and Doge Sebastiano Ziani d.1178 with Emperor Frederick Barbarossa 1122-90 by Jacopo Tintoretto (Robusti) Reproduction For Sale | 1st Art Gallery](https://www.1st-art-gallery.com/media/catalog/product/cache/9bad95616889b8b60a4bb85fbf2f33f9/b/a/base_18946173.jpg)
The Envoy of Pope Alexander III 1105-81 and Doge Sebastiano Ziani d.1178 with Emperor Frederick Barbarossa 1122-90 by Jacopo Tintoretto (Robusti) Reproduction For Sale | 1st Art Gallery
![Crown prince of Germany (future Frederick III) being received by Pope Leo XIII in the Throne room, Stock Photo, Picture And Rights Managed Image. Pic. DAE-B8013515 | agefotostock Crown prince of Germany (future Frederick III) being received by Pope Leo XIII in the Throne room, Stock Photo, Picture And Rights Managed Image. Pic. DAE-B8013515 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/4390ab5eb2ff41a6b4b8d09552364001/dae-b8013515.jpg)
Crown prince of Germany (future Frederick III) being received by Pope Leo XIII in the Throne room, Stock Photo, Picture And Rights Managed Image. Pic. DAE-B8013515 | agefotostock
![Building the Picture | Giuseppe Porta | The Reconciliation between Pope Alexander III and Frederick Barbarossa, in the presence of Doge Sebastiano Ziani, 1563 Building the Picture | Giuseppe Porta | The Reconciliation between Pope Alexander III and Frederick Barbarossa, in the presence of Doge Sebastiano Ziani, 1563](https://www.nationalgallery.org.uk/media/5765/salviati-reconciliation-pope-alexander-iii-x8325-r-two-third.jpg)
Building the Picture | Giuseppe Porta | The Reconciliation between Pope Alexander III and Frederick Barbarossa, in the presence of Doge Sebastiano Ziani, 1563
![Pope Innocent IV ordering the excommunication and deposition of Frederick II of Hohenstaufend, Stock Photo, Picture And Rights Managed Image. Pic. DAE-10234743 | agefotostock Pope Innocent IV ordering the excommunication and deposition of Frederick II of Hohenstaufend, Stock Photo, Picture And Rights Managed Image. Pic. DAE-10234743 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/f03c38e62b7fe4fdedeef61f03d93cc4/dae-10234743.jpg)
Pope Innocent IV ordering the excommunication and deposition of Frederick II of Hohenstaufend, Stock Photo, Picture And Rights Managed Image. Pic. DAE-10234743 | agefotostock
![The Submission of the Emperor Frederick Barbarossa to Pope Alexander III | Master Works on Paper from Five Centuries | 2022 | Sotheby's The Submission of the Emperor Frederick Barbarossa to Pope Alexander III | Master Works on Paper from Five Centuries | 2022 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/94e7dd3/2147483647/strip/true/crop/1748x2000+0+0/resize/2048x2343!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F0e%2F8a%2F0e2fd50b4f46990edb9b02be07a7%2F061n10904-c4jnl-t1-04.jpg)