- Ajuran
- Sultanate
- Akan
- Arawak
- Armenia
- Aro Confederacy
- Austro-Hungarian Empire
- Balboa’s Land
- Bhutan
- Bulgar
- Canada
- Catalonia
- China
- Chontal
- Chorotega
- Confederated States of Macedonia
- Dacia
- Democratic Republic of India
- Democratic Republic of Iran
- Democratic Republic of Nigeria
- East Poland
- Empire of Australia
- Empire of Brazil
- Empire of France
- Empire of Japan
- Empire of Kitara
- Gran Columbia
- Grand Britain
- Greece
- Guinea
- Guinea-Bissau
- Independent Sovereignty of Cascadia
- Kingdom of Aksum
- Kingdom of Castile
- Kingdom of Hawaii
- Kingdom of Imereti
- Kingdom of Kongo
- Kingdom of Norway
- Kingdom of Papua
- Kingdom of Saud
- Kingdom of Siam
- Kingdom of Sicily
- Kingdom of the Maya
- Korea
- Kotoko Kingdom
- Kurdistan
- Mamluk Kingdom
- Maravi Empire
- Miskito Kingdom
- Ndebele Kingdom
- Nepal
- Niquirano
- Oman
- Ottoman Empire
- Poland
- Republic of Ethiopia
- Republic of Louisiana
- Republic of Southwest Africa
- Republic of Venice
- Russian Imperium
- Sansia
- Sioux Nation
- Sultanate of Bagirmi
- Talamanca
- Union of American States
- Union of West African States
- United Baltic States
- United States of New England
- United States of New Spain
- United States of South Africa
- Western Arawak
- Zululand
The Encyclopedia of the Empire of Australia Universe