Great Balkans War
In this Scenario, Austria joined Russia against Ottoman in the "Crimean War" (which is called the Great Balkans War in this timeline). With the Austrian support, Russia and its allies could win against Ottoman Empire, France and Britain.

Aftermaths
After the war, Ottoman Empire was severely humiliated by Russia and Austria, Ottoman itself became a Russian protectorate, and the whole Balkans fell into Austrian and Russian Sphere. Russia also dominated the Black Sea. For France, the war let France fall into financial crises, Napoleon III was overthrown by the Republican in a few years after the war. Britain also fell into financial crises, but was able to recover quickly.

Also, for Germany, Prussia couldn't achieve unification due to Austro-Russian Alliance. Prussia could only stand as the North German Confederation. And for Italy, Two Sicillies supporting by Austria and Russia, was able to unite Italy under a Federation

Great War
In 1900s, Europe once again boiled into war, with Northern German Confederation, Britain and France forming a coalition against the Holy League (Russia, Austria and Italy). In this war, the Holy League was able to win against the coalition. Northern German Confederation broke into kingdoms, France was weakened and British monarchy being overthrown.

(The Lore are not final, they are just CONCEPT)

At last, here's the logo for the mod and some stuff for Russia.