World War One dominates the history of the 20th century. Its effects were felt long after it ended. Its uneasy outcome paved the way for a second and worse conflict. World War One had many bloody battles and campaigns, but in this essay I will discuss which battle was the most important. Which battle was the most important one in World War One? The theme of the war was a huge military effort that involved …showed first 75 words of 853 total…

…showed last 75 words of 853 total…Marne. The loss here broke the Germans' morale. From that point on the allies never lost the initiative. The allies pushed on through Belgium and Luxembourg and held the Germans in Germany. The War was over. Overall, I think that the most important battle in World War One was the second battle of the Marne. It broke the Germans' spirit and forced them to retreat. It also crushed their last hope of winning the war.