Siege of lisbon: Did you mean...?

A 19th century CE painting depicting the Knights Hospitaller defending Acre during the siege by the Mamluk Sultanate in 1291 CE.

The Siege of Constantinople by the Umayyad Caliphate in 717 – 718 CE, as depicted in the 14th-century Bulgarian translation of the Constantine Manasses Chronicle. The image has been digitally retouched.

Chart Illustrative of the Siege & Defence of Fort Erie. Campaign of 1814, by the War Department, Office of the Chief of Engineers. National Archives and Records Administration, Washington, D.C.

Artist's depiction of a Medieval army approaching a city under siege. From the game Old World.

A 14th century CE illustration depicting the siege of Antioch of 1097-8 CE during the First Crusade (1095-1102 CE). (National Library of the Netherlands, The Hague)

A 15th century CE manuscript illustration depicting the siege of Damascus in 1148 CE during the Second Crusade (1147-1149 CE). (Chronique d'Ernoul et de Bernard le Trésorier, British Library, London)

Bonaparte at the siege of Toulon, 1793, by Édouard Detaille. Musée de l'armée, Paris.

Illustration of the Siege of Acre (1189-91 CE) by Rocío Espin. Courtesy of Medieval Warfare Magazine / Karwansaray Publishers.

A 17th century CE painting by Cornelis Claesz van Wieringen of the capture of the Chain Tower during the siege of Damietta during the Fifth Crusade (1217-1221 CE). (Frans Hals Museum, Haarlem, Netherlands)

The forces of Julius Caesar (100 BCE-48 BCE) battle a faction of the Egyptian army during the Siege of Alexandria in 47 BCE, part of a struggle over the Egyptian line of succession. Illustration by by Zvonimir Grbasic.