Who where the leaders in World War 1?

Answer 1

Allies:

United Kingdom/British Empire

• George V - King of the United Kingdom and the other Commonwealth Realms, Emperor of India
• H. H. Asquith - Prime Minister of the United Kingdom (Until 5 December 1916)
• D. Lloyd George - Prime Minister of the United Kingdom (From 7 December 1916)
• Horatio Herbert Kitchener - Secretary of State for War (5 August 1914 - 5 June 1916)
• William Robertson - Chief of the Imperial General Staff
• John French - Commander-in-Chief of the British Expeditionary Force (4 August - 15 December 1915)
• Douglas Haig - Commander-in-Chief of the British Expeditionary Force (15 December 1915 - 11 November 1918)
• "Jackie" Fisher - First Sea Lord - (1914 - May 1915)
• Henry Jackson - First Sea Lord - (May 1915 - November 1916)
• John Jellicoe - First Sea Lord (November 1916 - December 1917)

Commonwealth of Australia

• Billy Hughes - Prime Minister of Australia (1915 - end of war)
• John Monash - Commander of the Australian Corps (all five Australian infantry divisions serving on the Western Front) (May 1918 - )

Dominion of Canada

• Robert Borden - Prime Minister of Canada (1914-1918)
• Sam Hughes- Minister of Militia and Defence (1914- January 1915)
• Joseph Flavelle- Chairmen of Imperial Munitions Board (1915-1919)
• Julian Byng (June 1916 - June 1917) Canadian Corps commander
• Edwin Alderson - Commander of the unified Canadian Corps of the Canadian Expeditionary Force (26 January 1915-September 1915)
• Arthur Currie - Commander of the unified Canadian Corps of the Canadian Expeditionary Force (June 1917 - )[2]

Indian Empire

• John Nixon commander of the British Indian Army (active in the Middle East)

Union of South Africa

• Louis Botha - Prime Minister of South Africa
• Jan Smuts - Led forces in South-West Africa Campaign and East African Campaign, later member of the Imperial War Cabinet

Russia

• Nicholas II - Russian Emperor, King of Poland, and Grand Duke of Finland. (Until 15 March 1917)
• Grand Duke Nicholas Nikolaevich - Commander-in-chief (1 August 1914 - 5 September 1916) and viceroy in the Caucasus
• Alexander Samsonov - Commander of the Russian Second Army for the invasion of East Prussia (1 August 1914 - 29 August 1914)
• Paul von Rennenkampf - Commander of the Russian First Army for the invasion of East Prussia (1 August 1914 - November 1914)
• Nikolai Ivanov - Commander of the Russian army on the Southwestern Front, (1 August 1914 - March 1916) responsible for much of the action in Galicia
• Aleksei Brusilov - Commander of the South-West Front, then provisional Commander-in-Chief after the Tsar's abdication (February 1917 - August 1917)
• Lavr Georgievich Kornilov - Commander of the South-West Front, then Commander-in-Chief (August 1917)

France

• Raymond Poincaré - President of France
• René Viviani - Prime Minister of France (13 June 1914 - 29 October 1915)
• Aristide Briand - Prime Minister of France (29 October 1915 - 20 March 1917)
• Alexandre Ribot - Prime Minister of France (20 March 1917 - 12 September 1917)
• Paul Painlevé - Prime Minister of France (12 September 1917 - 16 November 1917)
• Georges Clemenceau - Prime Minister of France (From 16 November 1917)
• Joseph Joffre - Commander-in-Chief of the French Army (3 August 1914 - 13 December 1916) and Marshal of France
• Robert Nivelle - Commander-in-Chief of the French Army (13 December 1916 - April 1917)
• Philippe Pétain - Commander-in-Chief of the French Army (April 1917 - 26 March 1918) and Marshal of France
• Ferdinand Foch - Commander-in-Chief of the French Army and Marshal of France, Supreme Allied Commander (26 March 1918 - 11 November 1918)
• Milan Rastislav Stefanik - General of French Army, Commander of Czechoslovak Legions

Serbia

• Peter I - King of Serbia
• Vojvoda Radomir Putnik - Chief of the General Staff of the Serbian Army
• Vojvoda Petar Bojović - Commander of First Army, later Chief of General Staff
• Vojvoda Stepa Stepanović - Commander of Second Army
• Vojvoda Živojin Mišić - Commander of 1st Serbian Army
• serdar Janko Vukotić - Commander of 1st Serbian Army

Belgium

• Albert I of Belgium - King of Belgium (23 December 1909 - 17 February 1934)

Italy

• Victor Emmanuel III - King of Italy
• Luigi Cadorna - Commander-in-Chief of the Italian army
• Armando Diaz - Chief of General Staff of the Italian army
• Luigi, Duke of Abruzzi - Commander-in-Chief of the Adriatic Fleet of Italy (1914 - 1917)

Romania

• Ferdinand I - King of Romania
• Constantin Prezan - Chief of the General Staff of Romania
• Alexandru Averescu - Commander of the Romanian 2nd Army, 3rd Army, then Army Group South

United States

• Woodrow Wilson - President of the United States/Commander-In-Chief of the U.S. armed forces

• Newton D. Baker - U.S. Secretary of War
• John J. Pershing - Commander of the American Expeditionary Force

Japan

• Emperor Taishō - Emperor of Japan
• Ōkuma Shigenobu - Prime Minister of Japan (16 April 1914 - 9 October 1916)
• Terauchi Masatake - Prime minister of Japan (9 October 1916 - 29 September 1918)

Central Powers:

Austria-Hungary

• Franz Josef I - Emperor of Austria-Hungary
• Karl I - Emperor of Austria-Hungary
• Conrad von Hötzendorf - Chief of the Austro-Hungarian General Staff
• Arthur Arz von Straussenburg - Chief of the Austro-Hungarian General Staff
• Anton Haus - Commander-in-Chief of the Austro-Hungarian Navy
• Maximilian Njegovan - Commander-in-Chief of the Austro-Hungarian Navy

German Empire

• Wilhelm II - German Emperor
• Erich von Falkenhayn - Chief of the German General Staff
• Paul von Hindenburg - Chief of the German General Staff
• Reinhard Scheer - Commander of the Imperial High Seas Fleet
• Erich Ludendorff - Deputy Chief of Staff of the German Army
• Wilhelm Souchon - German Naval Advisor to the Ottoman Empire
• Otto Liman von Sanders - German Army Advisor to the Ottoman Empire

Ottoman Empire

• Mehmed V - Sultan of the Ottoman Empire
• İsmail Enver - Commander-in-Chief of the Ottoman Army
• Mustafa Kemal Atatürk - Commander of the Second Army

Bulgaria

• Ferdinand I - Czar of Bulgaria
• Nikola Zhekov - Commander-in-Chief of the Bulgarian Army
• Vladimir Vazov - Bulgarian Lieutenant General

Answer 2

President Wilson.