WW1

An assassin gunned down Ferdinand of Austria in Sarajevo

Jun 28, 1914

Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets.

Feb 4, 1915

•February 21 - The Battle of Verdun begins. The Battle of Verdun was the longest battle of World War I and was one of the bloodiest.

Feb 21, 1916

The United States declares war on Germany

Apr 6, 1917

The Treaty of Versilles ends WW1

Jun 28, 1919