# data[].attributes.headline
Assassination of Archduke Franz Ferdinand

# data[].attributes.subject
Assassination of Archduke Franz Ferdinand

# data[].attributes.body
They killed him and his wife on June 28th 1914

# data[].attributes.body
On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War.

# data[].attributes.body
The troops mobilized in July 31 1914

# data[].attributes.body
they were enemies and they saw Russia's mobilization as a war threat.

# data[].attributes.body
The German invasion of Luxembourg was part of Case Yellow, the German invasion of the Low Countries—Belgium, Luxembourg and the Netherlands—and France during World War II.

# data[].attributes.body
On the afternoon of August 3, 1914, two days after declaring war on Russia, Germany declares war on France, moving ahead with a long-held strategy, conceived by the former chief of staff of the German army

# data[].attributes.body
The German invasion of Belgium was a military campaign which began on 4 August 1914.

# data[].attributes.body
When Europe went to war in 1914, the continental belligerents had plans for the mobilization, deployment, and initial campaigns of their armies.

# data[].attributes.body
On September 3, 1939, in response to Hitler's invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany.