contested ground, 43 engagements
Constantinople: contested ground
The ground around Constantinople was fought over 43 times between 510 BC and 1453: 8 battles, 34 sieges and 1 naval action, in 19 different wars. All 43 recorded sites lie within a few kilometres of one another.
In time order
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 510 BC | Siege of Byzance | Byzantium | |
| 478 BC | Siege of Byzantium | Byzantium | Greco-Persian Wars |
| 438 BC | Siege of Byzance | Byzantium | Samian War |
| 409 BC | Siege of Chalcedon | Chalcedon | Peloponnesian War |
| 408 BC | Siege of Byzantium | Byzantium | Peloponnesian War |
| 340 BC | Siege of Byzantium | Byzantium | Expansion of Macedonia under Philip II |
| 278 BC | Siege of Byzance | Byzantium | |
| 251 BC | Siege of Byzance | Byzantium | |
| 74 BC | Battle of Chalcedon | Chalcedon | Third Mithridatic War |
| 72 BC | Siege of Byzance | Byzantium | |
| AD 193 | Siege of Byzantium | Byzantium | list of Roman civil wars and revolts |
| AD 313 | Siege of Byzance | Byzantium | |
| AD 324 | Siege of Byzantium | Byzantium | |
| 18 September AD 324 | Battle of Chrysopolis | Üsküdar | |
| AD 378 | Battle of Constantinople | Constantinople | Gothic War of 376–382 |
| May AD 626 | Siege of Constantinople | Constantinople | Byzantine–Sassanid War of 602–628 |
| AD 668 | Siege of Constantinople | Constantinople | |
| AD 669 | Siege of Constantinople | Constantinople | |
| AD 674 | Siege of Constantinople | Constantinople | Arab–Byzantine wars |
| May AD 715 | Siege of Constantinople | Constantinople | |
| 15 July AD 717 | Siege of Constantinople | Constantinople | Arab–Byzantine wars |
| AD 813 | Siege of Constantinople | Constantinople | |
| AD 821 | Siege of Constantinople | Constantinople | Rebellion of Thomas the Slav |
| 18 June AD 860 | Siege of Constantinople | Constantinople | Rus'–Byzantine wars |
| AD 917 | Battle of Katasyrtai | Constantinople | Byzantine–Bulgarian War of 913–927 |
| February AD 921 | Battle of Pegae | Constantinople | Byzantine–Bulgarian War of 913–927 |
| AD 922 | Battle of Constantinople | Constantinople | Byzantine–Bulgarian War of 913–927 |
| 1 August 1203 | Siege of Constantinople | Constantinople | Fourth Crusade |
| 13 April 1204 | Siege of Constantinople | Constantinople | Fourth Crusade |
| 1235 | Siege of Constantinople | Constantinople | Byzantine–Bulgarian Wars |
| May 1241 | Battle of Constantinople | ||
| August 1260 | Siege of Constantinople | Constantinople | |
| 25 July 1261 | Reconquest of Constantinople | Constantinople | |
| 13 February 1352 | Battle of the Bosporus | Bosporus Strait | War of the Straits |
| September 1352 | Siege of Pera | Pera | Venetian–Genoese Wars |
| June 1376 | Siege of Constantinople | Constantinople | |
| 1391 | Siege of Constantinople | Constantinople | |
| 1394 | Siege of Constantinople | Constantinople | |
| 1394 | Siege of Constantinople | Constantinople | |
| 1397 | Siege of Constantinople | Constantinople | |
| 18 February 1411 | Siege of Constantinople | Constantinople | Ottoman Interregnum |
| August 1422 | Siege of Constantinople | Constantinople | Byzantine–Ottoman War of 1421–1424 |
| 6 April 1453 | Fall of Constantinople | Constantinople | Byzantine–Ottoman wars |
Contested ground is computed: recorded sites within six kilometres of one another, three or more engagements, in more than one war or across more than fifty years. Coordinates are those recorded in Wikidata and can be approximate.