You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
Your challenge, mirroring Thande's one, is to make the Balkans as unified as you can with a POD before the Yugo-Soviet split. Bonus points if you also achieve a "Northern Slavic Unification" between States like Czechoslovakia and Poland !