Which country won in the first World War?

As an expert in historical studies, I am well-versed in the events and outcomes of the First World War. This conflict, which lasted from July 28, 1914, to November 11, 1918, was one of the deadliest military conflicts in history and marked a turning point in the political alignment and social structure of the early 20th century. The First World War, often referred to as the "Great War," began in the aftermath of the assassination of Archduke Franz Ferdinand of Austria-Hungary. The assassination, which took place on June 28, 1914, in Sarajevo, was carried out by Gavrilo Princip, a member of the Serbian nationalist group known as the Black Hand. This event set off a chain reaction of alliances and declarations of war, leading to a full-scale conflict that would involve many of the world's great powers. The Allies, which included Britain, France, Russia, Italy, and later the United States, were pitted against the Central Powers, a group that consisted of Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria. The war was characterized by trench warfare, the use of new technologies such as machine guns and chemical weapons, and it was the first major conflict where airplanes and tanks were used on a significant scale. The war was fought on multiple fronts, including the Western Front, the Eastern Front, the Middle Eastern Front, and the Southern Front. It was a complex conflict with shifting alliances and numerous battles, each with its own significance and impact on the overall outcome of the war. The outcome of the war was determined by a combination of factors, including the entry of the United States into the war in 1917, which provided a significant boost to the Allies in terms of manpower and resources. The war also saw a significant shift in the balance of power due to the Russian Revolution of 1917, which led to Russia's withdrawal from the war under the Treaty of Brest-Litovsk in March 1918. The war concluded with the signing of the Armistice of Compiègne on November 11, 1918, which marked the end of hostilities on the Western Front. However, it was the subsequent peace treaties, such as the Treaty of Versailles with Germany, the Treaty of Saint-Germain with Austria, and the Treaty of Sèvres with the Ottoman Empire, that formally ended the war and established the terms for peace. In conclusion, it was the Allies who emerged victorious in the First World War. The victory was a hard-fought one, with immense sacrifices made by the soldiers and civilians of the participating nations. The war had profound and lasting effects on the world, leading to the redrawing of national boundaries, the rise of new political ideologies, and setting the stage for the Second World War just two decades later.

The Allies included Britain, France, Russia, Italy and the United States. These countries fought against the Central Powers which included Germany, Austria-Hungary, Ottoman Empire and Bulgaria. Archduke Ferdinand, of Austria-Hungary, was assassinated by a Serb on June 28, 1914.