Example image of eyePlorer eyePlorer map for 'Political union': State (law) Personal union Act of Union (1800) Kingdom of Great Britain Treaty of Union United Kingdom United Kingdom of Great Britain and Ireland Brittany France French Revolution Acts of Union 1707 Ireland County of Tyrol Italian unification Kingdom of England Laws in Wales Acts 1535–1542 Montenegro Serbia Articles of Confederation Serbia and Montenegro Soviet Union Switzerland United Arab Emirates United States United States Constitution British Columbia Eritrea Ethiopia Geneva Hawaii Newfoundland and Labrador Republic of Texas Kingdom of Sardinia Kingdom of Italy Kingdom of the Two Sicilies Papal States Bulgarian unification Chinese reunification (1928) German reunification History of Germany since 1945 Potsdam Conference Unification of Germany Anschluss Großdeutschland Italy in the Middle Ages Kleindeutsche Lösung Ostrogoths 1795 History of Poland (1918–1939) October 24