In 1914, with victory against the Turks secured, Serb nationalist extremists look north toward Austria.
The airplane means that the English Channel may no longer be all the defense Britain needs. Women's suffrage and Irish Home Rule remain contentious issues in British politics.
Just weeks after the First Balkan War ended, the Second Balkan War broke out over the spoils. When it was over, Serbia was Russia's only remaining diplomatic asset in the Balkans, and was spoiling for a fight with Austria.
As the small Balkan states redraw the map of their region, Austria-Hungary is largely a spectator, tied up in her own scandals.