Four Empires: Russian, German, Austria-Hungary and Ottoman disappeared, new countries were created, while Germany lost all its colonies.
Explanation:
When war ended, the peace conference in Versailles created new borders, mostly in Europe. German Empire disappeared and on the soil of it Weimar Republic was established. Austria-Hungary was also dissolved and many new countries were formed on its soil, including Austria, Hungary, Kingdom of Serbs, Croats and Slovenians. Ottoman Empire also disappeared and many countries including Turkey were created. Russian Empire also disappeared and new countries including Finland, Poland were created. Germany lost colonies that were mostly given to France and Britain.
