The problems with the Gallipoli is that it was not properly planned.
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I'd agree with that.
But the failures were tactical, not strategic.
Everything started with Grand-duke Nicholas' request for a naval demonstration against the Dardanelles forts in early January 1915. .
That is not quite true.
'Everything' began because the direct links to Russia were cut and because Kitchener became convinced by January 1915 that the Western Front had 'become unbreakable siege lines' (Quote)
Kitchener became convinced that attacking where CP were weaker was the way forward.
But he originally preferred to land at Alexandretta and break down the Turks piecemeal - rather than the Dardanelles.
There were a number of major issues that were never properly assessed, much less solved:
- The defenses of the Dardanelles were very well thought and layered. First there were the forts; then the multiple minefields, protected by dedicated gun batteries; finally there were a large number of howitzers in protected emplacements along the narrows. The forts could be silenced by the guns of capital ships, but this required spotters on the Gallipoli peninsula. The howitzers had to be silenced by land troops. The key issue were the minefields, which could be cleared by minesweepers: the problem was that the current is from the Black sea to the Egean, and the converted fisher boats used toclear the minefieldscould not move faster than 2 knots. They were both too slow and easily hammered by land batteries. There were fast minesweepers in the North sea and the Channel, but neither the British nor the French accepted to release them
This true.
But the defences were improved between the first abortive Naval operation and the landings.
Hence the argument that if the first Naval operation was omitted and we move straight to the landings -- they would have been successful.
The same is true of the 250K Ottoman Troops.
All of this shows that a direct attack to the Dardanelles was not the best tactic. But
Convincing Bulgaria to join the Entente would have certainly helped, but it is less than clear what might be an enticing enough bribe: Adrianople and western Thrace was not enough, Constantinople would have been but the Russians would not have accepted, and I doubt that Serbia might be convinced to offer a piece of Macedonia.
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Very True.
Getting Bulgaria on the entente side was key.
Or at least keeping them neutral.
That said 'Foxy Ferdinand' kept out until September 1915 - Only when he became convinced that the Entente had lost at Gallipoli.
Had he thought that the Entente would win - he would have accepted Thrace without Constantinople (he said as much in his memoires). But he thought he would gain Macedonia and potentially an outlet to the Adriatic.
Had the entente managed to replace King Constantine of Greece in early 1915 and brought Greece into the war - that might also have persuaded Bulgaria not to risk entering the war.
Don't take my word: check "The Grand Deception: Churchill and the Dardanelles" by Tom Curran. It is a well researched and thoughtful book, and reads well too.
I've read it -- it is readable but that author had a pet theory to promote (Churchill's Fault) and everything is spun to support that.
Frankly I think that basic strategy of attacking the CP's weakest power - Turkey was sound.
Far better attacking there, than slaughter on the Western Front.
But I think that campaign was mishandled.
Kitchener originally sponsored a piecemeal approach to Turkey.
He wanted Landings at Alexandretta - which had a large Christian population. And where there were few Turkish troops. Then a link up with the Russians in the Caucasus. Cutting the Turks in half.
It is understandable that campaign occurred. Hindsight is wonderful. But at the time you don't have it!
In April 1915 - the Turks had been defeated in the Caucasus.
And the Mesopotamian Campaign was going well - Kut had not happened - though Kitchener was concerned that a push towards Baghdad was probably not tenable - he didn't stop it.
THERE - that's an answer to the OP's question - the most successful way to Make Gallipoli an Entente Victory (with a PoD as early as Jan 1915)
Attack Alexandretta in April 1915 (iso Gallipoli) - cut the railway to Mesopotamia. Try and link up with the Russians in the Caucasus.
- Troops get withdrawn from Mesopotamia & the Dardanelles.
- The Turks in Mesopotamia are caught between two forces.
- As are those facing the The Russians in the Caucasus
- A lot of fighting
- Landings at Gallipoli April 1916.