The Walls of Constantinople (Turkish: Konstantinopolis Surları; Greek: Τείχη της Κωνσταντινουπόλεως) are a series of defensive stone walls that have surrounded...

depended upon ramparts and walls to repel invaders. The Walls of Constantinople, especially the Theodosian Walls, were some of the most advanced defensive...

Constantinople (see other names) became the capital of the Roman Empire during the reign of Constantine the Great in 330. Following the collapse of the...

The siege of Constantinople in 626 by the Sassanid Persians and Avars, aided by large numbers of allied Slavs and Bulgars ended in a strategic victory...

siege of Constantinople was a combined land and sea offensive in 717–718 by the Muslim Arabs of the Umayyad Caliphate against the capital city of the Byzantine...

The first Arab siege of Constantinople in 674–678 was a major conflict of the Arab–Byzantine wars, and the first culmination of the Umayyad Caliphate's...

Curtain walls were built across Europe during the Roman Empire; the early 5th century Theodosian Walls of Constantinople influenced the builders of medieval...

The Hippodrome of Constantinople (Greek: Ἱππόδρομος τῆς Κωνσταντινουπόλεως, romanized: Hippódromos tēs Kōnstantinoupóleōs; Latin: Circus Maximus Constantinopolitanus;...

of Constantinople occurred in April 1204 and marked the culmination of the Fourth Crusade. Crusader armies captured, looted, and destroyed parts of Constantinople...

The siege of Constantinople of 860 was the only major military expedition of the Rus' Khaganate (Medieval Greek: Ῥῶς) recorded in Byzantine and Western...