A

• Kingdom of Aceh Darussalam (P)
• Aden Protectorate (P)
  • Alawi Sheikhdom
  • Aqrabi Sheikhdom
  • Audhali Sultanate
  • Emirate of Beihan
  • Dathina Sheikhdom
  • Emirate of Dhala
  • Fadhli Sultanate
  • Hawshabi Sultanate of Musaymir
  • Hadhrami Kathiri Dynasty in Seiyun
  • Sultanate of Lahej
  • Lower Aulaqi Sultanate
  • Sultanate of Lower Yafa
  • Mahra State of Qishn and Socotra
  • Sheikhdom of Shaib
  • Qu'aiti State of Shihr and Mukalla
  • Subeihi Sultanate
  • Upper Aulaqi Sheikhdom
  • State of Upper Yafa
  • Wahidi Sultanate of Balhaf in Hadhramaut
  • Wahidi Sultanate of Bir ‘Ali
  • Wahidi Sultanate of Habban in Hadhramaut
• Emirate of Afghanistan
• Kingdom of the Algarves
• Angoche Sultanate
• Argentine Republic
• Aro Confederacy
• Ashanti Empire
• Sultanate of Aussa
• Awlad Sidi Shaykh

B

• Kingdom of Bali
• Sultanate of Bambao
• Kingdom of Bamum
• Kingdom of Barotseland
• Basuto Kingdom
• Kingdom of Belgium
• Kingdom of Benin
• Kingdom of Besut Darul Iman (V)
• Kingdom of Bhutan
• Republic of Bolivia
• Kingdom of Bonny
• Kingdom of Bora Bora
• Bornu Empire
• Empire of Brazil
• Kingdom of Bakuba
• Emirate of Bukhara

C

• Kingdom of Cambodia (P)
• Kingdom of Chiang Mai (V)
• Republic of Chile
• State of the Church
• United States of Colombia
• Confederate States of America
• Republic of Costa Rica

D

• Kingdom of Dahomey
• Sultanate of Darfur
• Kingdom of Denmark

E

• Republic of Ecuador
• Republic of El Salvador
• Ethiopian Empire

F

• Kingdom of Fiji (D)
• French Empire

G

• Gaza Empire
• Sultanate of the Geledi
• German Confederation
  • Austrian Empire
  • Kingdom of Bavaria
  • Kingdom of Hanover
  • Kingdom of Prussia
  • Kingdom of Saxony
  • Kingdom of Württemberg
• Great Qing
• Great Southern Empire (V)
• Kingdom of Greece
• Griqualand East
• Republic of Guatemala

H

• Republic of Haiti
• Hawaiian Kingdom
• Republic of Honduras

H

• Kingdom of Imerina

I

• Sublime State of Iran
• Kingdom of Italy

J

• Emirate of Jabal Shammar
• Jolof Kingdom
• Great Joseon

K

• Kingdom of Kaarta
• Kingdom of Kasanje
• Khanate of Khiva
• Konbaung Empire
• Kingdom of Kongo (V)
• Kingdom of Koya
• Sheikhdom of Kuwait (P)

L

• Lanfang Republic
• Kingdom of Loango
• Kingdom of Luba
• Kingdom of Luang Phrabang (V)

M

• Sultanate of Maguindanao
• Mexican Empire (V)
• Principality of Montenegro
• Sultanate of Morocco
• Sultanate of Muscat and Oman (P)
• Cities of the M'zab (P)

N

• Emirate of Nejd
• Kingdom of Nepal (P)
• Kingdom of the Netherlands (U)
  • Duchy of Limburg
  • Grand Duchy of Luxembourg
• Republic of Nicaragua
• Ningi Chiefdom
• Kingdom of Nri

O

• Orange Free State
• Oron Nation
• Oyo Empire

P

• Republic of Paraguay
• Sultanate of Patani
• Kingdom of Portugal

Q

• State of Qatar (V)

R

• Kingdom of Rarotonga
• Reman Kingdom (P)
• Riau-Lingga Sultanate (P)
• Romanian United Principalities (V)
• Russian Empire
• Ryukyu Kingdom

S

• Principality of Serbia (V)
• Shan States
• Kingdom of Siam
• Sokoto Caliphate
• Solimana
• South African Republic
• Kingdom of Spain (E)
• Spanish Republic (D)
• Kingdom of Swaziland
• United Kingdoms of Sweden and Norway (U)
  • Kingdom of Norway
  • Kingdom of Sweden
• Sublime Ottoman State
• Sultanate of Zanzibar
• Swiss Confederation

T

• Kingdom of Tahiti (P)
• Tokugawa Shogunate
• Toucouleur Empire
• Trucial States (P)
  • Emirate of Abu Dhabi
  • Emirate of Ajman
  • Emirate of Dubai
  • Emirate of Ras Al Khaimah
  • Emirate of Sharjah
  • Emirate of Umm Al Quwain
• Beylik of Tunis (V)

U

• United Kingdom of Great Britain and Ireland
  • England
  • Ireland
  • Scotland
  • Wales
• United States of America
• Sultanate of Utetera
• Oriental Republic of Uruguay

V

• State of Venezuela (D)
• United States of Venezuela (E)

W

• Sultanate of Wadai

Y

• Yeke Kingdom

Z

• Kingdom of Zululand