World War 1

The Austrio-Hungarian empire invades Bosnia

Oct 6, 1908

Austria-Hungary invades Bosnia and declares an annexation to have access to the sea.

Terrorist groups

1911

Bosnia had to become separated from Serbia after being invaded by Austria-Hungary. The Serbian people that lived in Bosnia were against the invasion and started forming terrorist groups.

The Black Hand

1911

The Black Hand was a terrorist group from Serbia that was created after Austria-Hungary invaded Bosnia.

Archduke Francisco Ferniand and his wife are murdered

Jun 28, 1914

Seven terrorists from the Black Hand , lead by Gavrilo Princip, planned the murder of the Archiduke. They failed in their first attempt. In an accidental encounter, Gavrilo found and shot him and a wife.

Austria-Hungary declárese war on Serbia.

Jul 28, 1914

War was declared on Serbia by Austria-Hungary.

Alliance and war declarations start

Aug 1, 1914

Germany becomes allies with Austria-Hungary. Russia and Serbia become allies. Germany declares war on Russia.

France declares war on Germany

Aug 3, 1914

France declares war on Germany. Germany decided to invade Belgium.

Great Britain declares war on Germany

Aug 4, 1914

Great Britain joins the triple Entente and declares war on Germany.

World War I officially begins

Aug 4, 1914

Italy joins the triple alliance and World War I officially begins.