The Outbreak of World War 1

Assassination of Franz Ferdinand

Jun 28, 1914

Archduke Franz Ferdinand (heir to the Austro-Hungarian throne) is assassinated in Sarajevo, Bosnia. He is assassinated by a Bosnian Serb. His wife Duchess Sofia is also killed.

Austria-Hungary gathers an alliance

Jul 5, 1914

Austria-Hungary seeks German support for a war against Serbia. Austria-Hungary seeks German support in case Russia gets involved. Germany assures Austria-Hungary of their support.

Austria-Hungary sends Serbia an ultimatum

Jul 23, 1914

Austria-Hungary sends Serbia a list of 10 demands as a result of Ferdinand's death. Serbia accepts 9 of the demands. Serbia did not accept the 6th demand which was to allow Austro-Hungarian police into Serbia. Austria-Hungary sees this as unsatisfactory.

War is declared

Jul 28, 1914

Austria-Hungary declares War on Serbia. Russia mobilizes.

Tensions increase

Jul 31, 1914

Germany warns Russia to stop mobilizing. Russia says mobilization is against Austria-Hungary only,

Countries prepare

Aug 1, 1914

Germany declares war on Russia. Germany and the Ottoman Empire sign a secret alliance treaty, Italy declares that they are neutral.

Action begins

Aug 2, 1914

First military action begins on the western front. Germany invades Luxembourg,

Germany tries to take over

Aug 3, 1914

Germany declares war on France. Belgium protects France by not allowing the German military through the French border.

The UK gets involved

Aug 4, 1914

Germany invades Belgium. The United Kingdom declares war on Germany because of the invasion of Belgium.

The big countires declare war

Aug 6, 1914

Serbia declares war on Germany. Austria-Hungary declares war on Russia,

France declares war on Austria-Hungary

Aug 11, 1914

France declares war on Austria-Hungary.

Austria-Hungary takes another hit

Aug 12, 1914

The United Kingdom declares war on Austria-Hungary.