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Use Cases
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Resources
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Pricing
June 28, 1914
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Gavrillo Princip of the Black Hand Society (Serbian) assassinates the Austro-Hungarian archduke, Franz Ferdinand.
July 28, 1914 - November 11, 1918
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July 29, 1914
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Austria-Hungary declares war on Serbia after Kaiser Wilhelm II of Germany issues a blank check for Austria- Hungary and Austria- Hungary issues an ultimatum to Serbia.
August 1, 1914 - August 6, 1914
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Germany declares war on Russia, France orders full mobilization, Great Britain states that they will get involved if Belgium is invaded. France and Germany declare war on one another. Germany invades Belgium, which causes Great Britain to declare war on Germany. Austria Hungary declares war on Germany.
February 1915
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British and Anzac troops sail to Russia to bring war supplies, but are stopped by the Ottomans. This battle between the Allied and Central powers ends in Ottoman victory.
April 1915
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Central powers battle, only German offensive in 1915, and the first time for Germany to use gas. Fought in Ypres, Belgium.
May 1915
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Italy declares war on Austria-Hungary, entering World War I on the side of the Allies—Britain, France and Russia, in the treaty of London. Italy waits to join the war until it can see which side seems to have an advantage over the other and is likely to win.
May 1915
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Germany's attempt to block the Allied powers from getting any war supplies by sinking any ships that came towards Allied powers' ports.
May 7, 1915
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German submarines shot at an Allied passenger ship, the Lusitania, which was traveling from America to England. This event angered the Americans because around 50 Allied passengers were killed without warning.
June 1915 - November 1917
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These 12 battles are fought between the Italian and Ausrto-Hungarian troops along the Isozono River in Italy. Italy looses many troops and doesn't gain much territory- a fail.
February 1916
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This battle of attrition (Kill Everyone!!!) between Germany and France takes place in Verdun, France. German flamethrowers are used for the first time, "Bleed the French White!", and France claims the victory.
May 1916
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Largest naval battle in the war between Germany and Britain. Both sides claim victory, but Britain loses more ships than Germany and about twice as many sailors.Britain had joined the war as a result of Germany's Belgium invasion.
May 1916
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After the Germans torpedo the Sussex passenger ship, they are scared that the US forces will join the war. Out of fear of this happening, they create the Sussex Pledge, which states that passenger ships would not be targeted and all ships would be warned of the submarines.
June 1916
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Also known as the June Advance, this was Russia's attempt to gain Central powers' territory. This war is very successful for the Triple Entente because it forces Germany to relocate some of its troops to Austria-Hungary, where the war is fought.
July 1916
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France attempts to take some pressure off of the battle in Verdun, so they start another battle in the Somme, causing Germany to relocate some of its troops. This is the first time that tanks appear, but neither side wins.
August 27, 1916
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August 27, 1916, Italy declares war on its neighbor, Germany
January 16, 1917
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This telegraph was sent from the Germans to the Mexicans saying that if they distracted America from joining WWI, they could have some of America's land. This telegram was intercepted, and the angered Americans joined the war.
January 31, 1917
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Germany quits the Sussex pledge and submarines prepare to attack any ships, including civilian passenger ships, seen in war-zone waters. America is very angered by this decision and breaks diplomatic relations with Germany. Then, Germany sinks another American liner.
February 1917
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The Russian government is overthrown during WWI in a series of civil wars, and the Romanov royal family is shot. This causes Russia to drop out of the war with the Treaty of Brest Litovsk, which is very helpful to the Central Powers. Because this threat is lost, Germany starts back unrestricted submarine warfare.
March 1917 - November 1917
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British troops try to knock the Ottomans out of the war in Gaza, Palestine, because they block their path to Russia and are a Central power threat. However, Britain fails as the Ottomans are very strong.
April 1917
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This battle, fought in France, is a huge fail for the French. Before the French troops fight, the Germans already know their war plans. Also, France is positioned in trenches below the enemy. This war leads to many casualties for both the Allied and Central Powers
April 1917
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The Zimmerman Telegram- sent to Mexico from Germany and intercepted by the allied powers, along with other causes such as the invasion of Belgium, causes the US to join the Allied powers in WWI.
April 6, 1917
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The US declares war on Germany when it joins the allied forces in Europe
December 1917
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The Russians and Germans agree to quit fighting once Russian has to withdraw from the war. This benefits Germany because they no longer have to worry about Russia's attacks.
December 7, 1917
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The US declares war on Austria Hungary.
January 1918
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US President Woodrow Wilson gives a speech to Congress after the US decides to go to war about how the war in Europe is for a moral cause to make peace. He still plans for "Peace without Victory" for the war and his troops.
March 1918
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Germany's last-stitch efforts before America can build up an army and fight them. Germany realizes that their only chance of victory is to fight the Allied powers before the American troops come to fight.Germany suffers many casualties as a result of poor planning and strong allies.
March 1918
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The Central powers and Russia sign this peace treaty so that Russia can leave the war as a result of their overthrown government. The Central powers gain part of Russia's territory and industry for Russia's withdrawal.
July 1918 - August 1918
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Germany's last major attempt in the Spring Offensive is stopped when the French and Allied forces beat them. This is an important victory for the Allied forces because it marks the beginning of many Allied victories.
November 11, 1918
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On this day at 11 a.m., the war ended. However, just hours before, many troops were sent to die for basically no reason.
January 1919
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The Allied Victors meet for the Paris Peace Conference to set up the punishments for the defeated Central Powers, reshape the map of Europe, and set up peace treaties. The main four powers who came were President Woodrow Wilson of the United States, Prime Minister David Lloyd George of Great Britain, George Clemenceau of France, and Italian Prime Minister Vittorio Orlando. Communist Russia wasn't invited to the Conference.