| French occupation of Thessaly | |||||
|---|---|---|---|---|---|
| Part of National Schism of WWI | |||||
 Venizelos returning to Greece following the end of the Campaign, July 1917 | |||||
| |||||
| Belligerents | |||||
 Provisional Government of National Defence France |
 Kingdom of Greece | ||||
| Commanders and leaders | |||||
|
Maurice Sarrail |
Constantine I Athanasios Frangou | ||||
| Units involved | |||||
|
two infantry regiments with three infantry battalions each; four cavalry regiments; two artillery divisions and two aircraft squadrons |
1/38 National Guard Command | ||||
| Strength | |||||
| 20,000 | 800 | ||||
| Casualties and losses | |||||
| 59 killed | 7 killed, 15 wounded | ||||
The French occupation of Thessaly took place in June 1917, during the First World War, as part of the Allied intervention in the Greek National Schism. The chief military clash of the occupation became known as the Battle of the Flag (Greek: μάχη της σημαίας).