-
Assassination of Franz Ferdinand
Francis Ferdinand assassinated at Sarajevo -
Austria- Hungary declares war on Serbia
Austria declared war on Serbia -
Germany declares war on Russia
Germany begins a war with Russia -
Germany invades Belgium
Germany's forces invade Belgium -
Germany declares war on France
France and Germany go to war -
Great Britain declares war on Germany
The U.k. enters WW1 -
Austria- Hungary declares war on Russia
Austria- Hungary and Russia go to war -
France and Great Britain declare war on Austria- Hungary
France and U.K. go to war with Austria- Hungary -
Lusitania is sunk by German U-boats
Passenger ship Lusitania is sunk by German U-boats with passengers on board -
Zimmerman Telegram
Zimmerman telegram is sent to Mexico -
U.S. declares war on Germany
The U.S. enters WW1
