The <a href="https://en.wikipedia.org/wiki/Dual_Alliance_(1879)" class="extiw" title="en:Dual Alliance (1879)">Dual Alliance</a> in 1914, <a href="https://en.wikipedia.org/wiki/German_empire" class="extiw" title="en:German empire">Germany</a> in blue and <a href="https://en.wikipedia.org/wiki/Austro-Hungarian_Empire" class="extiw" title="en:Austro-Hungarian Empire">Austria-Hungary</a> in red
<ul><li><a href="//commons.wikimedia.org/wiki/File:Dual_Alliance_in_1914.png" title="File:Dual Alliance in 1914.png">Dual Alliance in 1914.png</a>:<a href="//commons.wikimedia.org/w/index.php?title=User:ZYjacklin&amp;action=edit&amp;redlink=1" class="new" title="User:ZYjacklin (page does not exist)">ZYjacklin</a> (<a href="//commons.wikimedia.org/wiki/User_talk:ZYjacklin" title="User talk:ZYjacklin">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/ZYjacklin" title="Special:Contributions/ZYjacklin">contribs</a>)</li>
<li><a href="//commons.wikimedia.org/wiki/File:Blank_map_of_Europe_1914.svg" title="File:Blank map of Europe 1914.svg">Blank map of Europe 1914.svg</a>:<a href="//commons.wikimedia.org/wiki/User:Alphathon" title="User:Alphathon">Alphathon</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Alphathon" title="User talk:Alphathon">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/Alphathon" title="Special:Contributions/Alphathon">contribs</a>)</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Rowanwindwhistler" title="User:Rowanwindwhistler">rowanwindwhistler</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Rowanwindwhistler" title="User talk:Rowanwindwhistler">talk</a>)</li></ul>
CC BY-SA 3.0
<p><a href="//commons.wikimedia.org/wiki/File:Dual_Alliance_in_1914.png" title="File:Dual Alliance in 1914.png">Dual Alliance in 1914.png</a>
</p>
<a href="//commons.wikimedia.org/wiki/File:Blank_map_of_Europe_1914.svg" title="File:Blank map of Europe 1914.svg">Blank map of Europe 1914.svg</a>