-
Austria-Hungary declares war on Serbia
-
The Archduke Franz Ferdinand, who was Prince of the Austria-Hungary and his wife was assasinated by Serbian nationalist.
(Picture) - Archduke Franz Ferdinand -
Germany declares war on Russia.
-
German declares war on France.
-
UK declares war on German.
-
When World War I erupts in Europe. The U.S. president Woodrow Wilson formally proclaims that U.S. would remain neutral.
-
Battle of Tannenberg
(Picture) - the prisioners after battle of Tannenberg. -
Battle of Marne
-
Battle of Ypres
-
The Naval operations in the Dardanells Campaign. It's the naval battle operation during Feb 19, 1915.
-
The second battle of Ypres. The German first used the poision gas in this war. Soldiers used gas mask.
-
The Battle of Gallipoli
(Picture) - Prisoners in trench during Battle of Gallipoli -
The Battle of the Verdun, one of the major and longest battle in WW I.
-
Battle of Jutland, the naval battle.
-
The battle of Somme. Tanks are first introduced in this battle.
-
The German sent Zimmerman Telegram to Mexico which was about if Mexico attack U.S., the German promise the Mexico to take territory of Texas, New Mexico, and Arizona for Mexico. The telegram was intercepted by British.
-
U.S. declares war on Germany.
-
The battle of Passchendaele, or third battle of the Ypres.
-
German launches the Spring Offensive
-
The German's top ace Manfred von Richthofen (Red Baron) shot down.
-
The Second Battle of Marnes. The last major German Spring Offensive.
-
World war I ends
-
The Treaty of Versallies officially ends the world war I
