battle, major, medieval
Battle of Chains
Battle of Chains was a battle fought in AD 633 at Kazma, in what is now Kuwait. Its exact site is not recorded; the atlas places it at Kazma. It was part of the Muslim conquest of Persia, which ran from AD 633 to AD 654. The recorded result: Rashidun Caliphate victory. Recorded strength: 18,000 against 80,000 (Islamic estimates) 15,000–20,000 (modern estimates).
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Where it sits in the Muslim conquest of Persia
Record
| Date | AD 633 (year precision) | |
|---|---|---|
| Place | Kazma, Kuwait 29.393N, 47.671E | |
| Kind | Battle, medieval | |
| Strength | 18,000 | 80,000 (Islamic estimates) 15,000–20,000 (modern estimates) |
| Casualties and losses | Low | High |
| Commanders |
| |
The ground today


The recorded site stands at about 25 m; within 10.0 km the ground runs from -2 to 140 m, 143 m of relief, gently rolling country and today it is 89% bare ground, 6% built-up, 4% shrubland.
Elevation from the Copernicus DEM GLO-30 (ESA, Airbus); land cover from ESA WorldCover 2021 (CC BY 4.0), within about 5 km of the recorded site. Computed, not recorded.Nearest engagements
- Battle of the Bridges 1990, 8.0 km SW
- Battle of Dasman Palace 1990, 32 km E
- Battle of Failaka 1990, 32 km E
- Safwan Airfield Standoff 1991, 82 km N
- Battle of Phase Line Bullet 1991, 95 km NW
In the same war
- Before: Battle of the Al Hira Canal AD 633
- After: Battle of River AD 633
- All 26 engagements of Muslim conquest of Persia
Elsewhere in AD 633
- Battle of Hatfield Chase United Kingdom
- Battle of Dawmat al-Jandal Saudi Arabia
- Battle of Naqra Saudi Arabia
Battle of Chains is one of 203 engagements of the 7th century in the atlas and one of 11 in present-day Kuwait.
Sources
Identity, coordinates, dates and the war from Wikidata Q2026625, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Chains, revision 1385058208, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.