Causes of World War I

The Triple Entente is Formed

Dec 14, 1907

-Between France, Britian, and Russia
-Known as the Allies

Triple Alliance is Formed

Dec 15, 1907

-Consisted of Germany, Austria-Hungary, and Italy
-Germany & Austria were the Ottoman Empire

Austria -Hungary Takes Control of Bosnia

Oct 7, 1908

-Almost ended War
-Annexation lead to problems between the Dual Monarchy and Turkey

Archduke Franz Ferdinand is Assassinated in Sarajevo

Jun 29, 1914

-Archduke was shot
-Archduke was heir to the throne of Austria-Hungary

Austria-Hungary Declares War on Serbia

Jul 28, 1914

-Declares war a month later
-Germany is allied with Austria-Hungary

Germany Invades Belgium

Aug 3, 1914

-August 1st, Germany, obligated by treaty to support Austria-Hungary, declared war on Russia's ally France
-Following this Britian declared war on Germany and Austria-Hungary

German U-Boat Sinks the Lusitania

May 7, 1915

-A U-boat sank the British Linear, Lusitania
-Americans became outraged

The First Battle of the Somme Begins

Jul 1, 1916

-Lasted until Mid-november
-British had 60,000 casualities

United States Declares War on Germany

Jan 15, 1917

-WIlson was elected president
-Gave speech for "a peace without victroy.."

Zimmerman Note is Discover

Jan 19, 1917

-U.S. declares war
-telegraph from Germany to Mexico