France was the main stage upon which the operations of the Western front played out and was also where the outcome of the war was decided in 1918, after having been consumed by it since 1914.

Take a moment to step back in time 100 years, for a visit to France in the final year of World War I, seen through the lens of famed photographer Lewis Hine, with original (sometimes dated) captions included when available.

In 1914, the Germans and their allies went to war not just with Britain, but with the whole of the British Empire. Over 3 million soldiers and labourers from across the Empire and Commonwealth served alongside the British Army in the First World War.

Great Britain was with its Empire the most powerful of the major belligerents, the most politically and socially stable, and the best able to endure the strains of the war.

Approximately 1.3 million Indian soldiers served in World War One, and over 74,000 of them lost their lives. But history has mostly forgotten these sacrifices, which were rewarded with broken promises of Indian independence from the British government.

Ireland was on the cusp of the Easter Rising when thousands of Irish men joined up to serve with the British army in the first world war. They returned to an utterly changed country; they were officially forgotten. This is one man's story

Canada’s reasons for going to war on August 4, 1914, can be summed up in five words: because Britain went to war. But the question was how Canadians would respond.

The Russian Empire entered the war in order to preserve its Great Power status, but it ended the war in a bout of revolution and decolonization.

World War I is often described as “the war to end all wars,” a global conflagration unprecedented in human society whose outbreak reshaped the face of Europe, and led to the collapse of the Russian Empire and the rise of the Soviet Union. But did the war really come out of nowhere?

At the outbreak of the First World War, Italian diplomacy did not have a clear vision of the goals to be achieved. Therefore, in negotiations with the countries already involved in the conflict, excessive territorial claims were made.

Interactive timeline that details all aspects of Italy's involvement in World War I.

Accelerating retreat of glaciers in Lombardy and Trentino Alto-Aldige reveals preserved history of ‘White War’.

When war broke out, in light of increasingly inflexible constellations and alliances among European powers, Germany was initially hoping to keep the war limited to Austria-Hungary and Serbia. Soon the conflict involved Russia, Germany, France, and Great Britain, and early war enthusiasm soon declined.

Military drills, soldierly obedience: Young men had to stand to attention, and young women had to do their part as well, from home. A shadow hung over Germany's youth in the summer of 1914. And then came war.

In Germany, the trauma and atrocities of World War II completely overshadow the Great War and in schools, teachers often regard the events of 1914-18 simply as a prelude to the much larger disaster to come.

Understanding the German soldiers who shared the daily lives of the Belgians for four years.

A look at the social and military history of Austria-Hungary during the First World War.

Karl Habsburg-Lothringen says major powers were ready for war anyway when heir to Habsburg empire was assassinated.

Nicolai Eberholst provides a comprehensive account of the Austro-Hungarian Empire and the Great War, discussing the years preceding the outbreak, the opening engagements in 1914 and a whole, bloody mess that spread into the beginning of 1915.

Turkey would be a different entity today, had it not been for the First World War. Anne Bostanci, highlights the effects of the war on Turkey and why especially the younger generation 'remembers'.

Controversy long has surrounded the Ottoman Empire’s entry into the First World War on the German side because of the unusual circumstances in which it occurred. Yet, while the facts are well known, a number of vital details about the entry have been ignored or lightly explored.

World War I brought unprecedented destruction to the Ottoman Empire and resulted in its fall of as a political entity, but war also produced new politics.

The Ottoman Empire called for a military jihad against France, Russia and Great Britain in November 1914. How did this affect subsequent Allied campaigns in the Middle East?