-
Archduke Franz Ferdinand, heir to Austria-Hungary's throne, and his wife, Sophie, are assassinated by Serbian nationalist Gavrilo Princip while the couple were visiting Sarajevo.
-
first to declare
-
second to declare
-
3rd to declare
-
fourth after Germany invades Belgium.
-
fifth
-
huge for tne US
-
first battle
-
Trench warfare begins as soldiers on both sides dig in.
-
-
effectively creating a blockade of goods into Germany.
-
-
essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets.
-
It is during this battle that the Germans first use poison gas.
-
-
-
The Battle of Verdun was the longest battle of World War I and was one of the bloodiest.
-
the major naval battle of the war, begins
-
During the Battle of the Somme, tanks are first introduced into battle.
-
-