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December 18th, 1863 - June 28, 1914

His assassination is believed to be the start of World War 1.

When he died, he was the heir to the Austro-Hungarian Empire throne.

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July 25, 1895 - April 30th, 1918

He was the person who assassinated Archduke Franz Ferdinand.

Princip was recruited to the Black Hand, a secret society formed in 1911, and he was trained in terrorism.

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April 10th, 1870 - January 21, 1924

He was the founder of the Russian Communist Party.

Lenin was against World War 1, and few agreed with him in the beginning.

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January 27th, 1859 - June 4th, 1941

He was the last emperor of Germany.

Wilhelm II pursed the politics that then led to World War 1 but stayed mostly in the background when the war actually started.

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May 18th, 1868 - July 16th/17th 1918

He was the last tsar of Russia.

On March 15th, 1917 Nicholas II gave up the throne which ended over 300 years of the Romanov Dynasty. Him and his family were exiled and later executed.

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September 28th, 1841 - November 24, 1929

He served as minister of war, and premier in France.

Clemenceau was the leader of the French delegation at the Paris Peace Confrence.

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June 3rd, 1865 - January 20, 1936

From 1910-1936 he was the king of Great Britian, and Northern Ireland, and emperor of India.

During the war George V had no direct responsibility as king.

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November 30th, 1874 - January 24, 1965

He was the first lord of admiralty during WW1.

In WW2, Churchill was the prime minister of Britian.

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December 28th, 1856 - February 03, 1924

He was the president of the United States during WW1

In 1917, Wilson asked for (and got) a declaration of war against Germany.

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September 13th, 1860 - July 15, 1948

He was the commander in chief American Expeditionary Force that was in Europe in WW1.

Pershing was nicknamed "Black Jack" by his troops who respected him.

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October 02, 1851 - March 20th, 1929

He was the commander in chief of the Allied armies during the 1st World War.

Foch launched a counteroffensive which drove Germans back, ending the war.

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June 19, 1861 - Janurary 29th, 1928

He was the British general who commanded the British forces during WW1.

Haig was given the title of earl in 1919.