battle, major, First World War
Second Battle of the Marne
Second Battle of the Marne was a battle fought on 27 May 1918 at Marne basin, in what is now France; it lasted 2 months. It was part of the Western Front, which ran from 1914 to 1918. The recorded result: Entente victory.
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Where it sits in the Western Front
Record
| Date | 27 May 1918 to 6 August 1918 | |
|---|---|---|
| Place | Marne basin, France 49.083N, 3.667E | |
| Kind | Battle, First World War | |
| Strength | 44 French divisions; 8 American divisions; 4 British divisions; 2 Italian divisions; Total: 58 divisions; 408 heavy guns; 360 field batteries; 346 tanks | 52 divisions; 609 heavy guns; 1,047 field batteries |
| Casualties and losses | Total: 133,051; 95,165; 16,552; 12,000; 9,334 | 168,000 casualties (including 29,367 captured); 793 guns lost |
| Commanders |
| |
The ground today


The recorded site stands at about 109 m; within 10.0 km the ground runs from 58 to 274 m, 215 m of relief, hilly country and today it is 36% tree cover, 31% cropland, 26% grassland.
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 Château-Thierry 1814, 20 km W
- First Battle of the Marne 1914, 22 km W
- Battle of Château-Thierry 1918, 22 km W
- Battle of Vauchamps 1814, 23 km S
- Battle of Champaubert 1814, 24 km S
In the same war
- Before: Second Battle of Villers-Bretonneux 25 April 1918
- After: Third Battle of the Aisne 27 May 1918
- All 121 engagements of Western Front
Elsewhere in 1918
- Battle of Sardarabad Armenia
- Battle of Vittorio Veneto Italy
- Battle of the Piave River Italy
- Battle of Baku Azerbaijan
- Battle of Dobro Pole North Macedonia
Combat data (CDB90)
| Attacker: FR 5TH, 6TH, 9TH & 10TH ARMIES | Defender: GER 7TH & 9TH ARMIES | |
| Strength | 725,000 | 400,000 |
| Casualties | 195,000 (26.9%) | 170,000 (42.5%) |
| Mission accomplishment, 1 to 10 | 7 | 6 |
| Outcome | attacker won | |
| Duration | 2 days | |
| Front width | 128 km | 128 km |
| Attacker advanced | 26 km | |
From the US Army Concepts Analysis Agency Database of Battles (CDB90, battle 359), public domain, in the CC0 tidy edition by Jeffrey B. Arnold. Figures are the database's estimates, compiled in 1990 from published histories, and may differ from the Wikipedia infobox above.
Second Battle of the Marne is one of 2,997 engagements of the 20th century in the atlas and one of 1,383 in present-day France.
Sources
Identity, coordinates, dates and the war from Wikidata Q876417, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Second Battle of the Marne, revision 1374140699, 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.