Dual Monarchy: A system where two separate kingdoms are ruled by the same monarch, follow the same foreign policy, exist in a customs union with each other and have a combined military but are otherwise self-governing.
Compromise of 1867: An agreement that established the dual monarchy of Austria-Hungary. It provided for a shared Ministry of Foreign Affairs, War, and Finance under traditional Habsburg rulership.
Franz Joseph I: He was Emperor of Austria, King of Hungary, Croatia and Bohemia from December 1848 until his death on November 21st, 1916. During his reign came about many changes including constitutional reforms and modernization processes.