<span>The question mentioned a </span>map<span>, but then you didn't attach the map so we can see it. I have attached the map to this answer.
The name of the French City that </span>changed back from Germany to Britain during World War I is MAMETZ. This was achieved through the Battle of the Somme where<span> armies of the </span>British Empire<span> and </span>France fought against the German Empire.
The name of the French City that </span>changed back from Germany to Britain during World War I is MAMETZ. This was achieved through the Battle of the Somme where<span> armies of the </span>British Empire<span> and </span>France fought against the German Empire.