List of sovereign states in 1920

Sovereign states

A

• Afghanistan - Emirate of Afghanistan
• Albania - Principality of Albania
•  Andorra - Principality of Andorra
•  Argentina - Argentine Republic
• Armenia
  • Republic of Armenia (to November 29)
  • Armenian Socialist Soviet Republic (from November 29)
• Asir - Emirate of Asir
• Asir, Upper - Emirate of Upper Asir (to August)
•  Australia - Commonwealth of Australia
• Austria - Federal State of Austria
• Azerbaijan
  • Azerbaijan Democratic Republic (to April 28)
  • Azerbaijan Socialist Soviet Republic (from April 28)

B

•  Belgium - Kingdom of Belgium
•  Bolivia - Republic of Bolivia
•  Brazil - Republic of the United States of Brazil
•  Bulgaria - Kingdom of Bulgaria

C

•  Canada - Dominion of Canada
•  Chile - Republic of Chile
•  China - Republic of China
•  Colombia - Republic of Colombia
•  Costa Rica - Republic of Costa Rica
•  Cuba - Republic of Cuba
• Czechoslovakia
  • Czecho-Slovak Republic (to 1920)
  • Czechoslovak Republic (from 1920)

D

•  Danzig - Free City of Danzig (from November 15)
•  Denmark - Kingdom of Denmark
•  Dominican Republic

E

•  Ecuador - Republic of Ecuador
•  El Salvador - Republic of El Salvador
•  Estonia - Republic of Estonia
•  Ethiopia - Ethiopian Empire

F

•  Finland - Republic of Finland
•  Fiume - Free State of Fiume (from November 12)
• France - French Republic

G

• Georgia - Democratic Republic of Georgia
•  Germany - German Reich
•  Greece - Kingdom of Greece
•  Guatemala - Republic of Guatemala

H

• Ha'il - Emirate of Ha'il
•  Haiti - Republic of Haiti
•  Hejaz - Kingdom of Hejaz
• Honduras - Republic of Honduras
• Hungary - Kingdom of Hungary (from March 1)

I

• Iceland - Kingdom of Iceland
•  Italy - Kingdom of Italy

J

•  Japan - Empire of Japan

L

• Latvia (Disputed between two governments to January 13)
  • Republic of Latvia
  • Latvian Socialist Soviet Republic (to January 13)
•  Liberia - Republic of Liberia
•  Liechtenstein - Principality of Liechtenstein
•  Lithuania - Republic of Lithuania
•  Luxembourg - Grand Duchy of Luxembourg

M

•  Mexico - United Mexican States
•  Monaco - Principality of Monaco

N

• Nejd - Emirate of Nejd
• Nepal - Kingdom of Nepal
•  Netherlands - Kingdom of the Netherlands
•  Newfoundland - Dominion of Newfoundland
• New Zealand - Dominion of New Zealand
•  Nicaragua - Republic of Nicaragua
•  Norway - Kingdom of Norway

O

•  Ottoman Empire - Sublime Ottoman State

P

•  Panama - Republic of Panama
•  Paraguay - Republic of Paraguay
• Persia - Persian Empire
•  Peru - Peruvian Republic
• Poland - Republic of Poland
•  Portugal - Portuguese Republic

R

•  Romania - Kingdom of Romania
•  Russia - Russian Socialist Federative Soviet Republic

S

•  San Marino - Most Serene Republic of San Marino
•  Serbs, Croats and Slovenes - Kingdom of Serbs, Croats, and Slovenes
•  Siam - Kingdom of Siam
•  South Africa - Union of South Africa
• Spain - Kingdom of Spain
•  Sweden - Kingdom of Sweden
•   Switzerland - Swiss Confederation

T

•  Turkey - Republic of Turkey

U

•  United Kingdom - United Kingdom of Great Britain and Ireland
•  United States - United States of America
•  Uruguay - Eastern Republic of Uruguay

V

•  Venezuela - United States of Venezuela

Y

• Yemen - Mutawakkilite Kingdom of Yemen

Other states

• Alash - Alash Autonomy (to August 26)
• Azadistan
• Bottleneck - Free State Bottleneck
• Bukharan - Bukharan People's Soviet Republic (from October 8)
• Byelorussia - Byelorussian Socialist Soviet Republic (from August 1)
• Carnaro - Italian Regency of Carnaro (from September 8 to December 30)
• Central Lithuania - Republic of Central Lithuania (from October 12)
• Don - Don Republic (to 1920)
•  Far Eastern Republic (from April 6)
• Galicia - Galician Socialist Soviet Republic (from July 8 to September 21)
• Gilan - Persian Socialist Soviet Republic (from June)
• Ireland - Irish Republic
• Khiva (to April 30), Khorezm (from April 30)
  • Khanate of Khiva (to April 30)
  • Khorezm People's Soviet Republic (from April 30)
•  Kuban - Kuban People's Republic (to March 17)
• Lemko-Rusyn - Lemko-Rusyn Republic (to March)
•  Morocco - Sultanate of Morocco (de jure sovereign state under french and Spanish protectorate)^[1][2]
• North Caucasian Emirate
• Northern Caucasus - Mountainous Republic of the Northern Caucasus (to June)
• North Ingria - Republic of North Ingria (to December 20)
•  Mandatory Palestine - Mandatory Palestine (from April 25)
• Siberia, Autonomous - Provisional Government of Autonomous Siberia (to February 7)
• Tavolara - Kingdom of Tavolara
• Tibet
• Ukraine, Soviet - Ukrainian Socialist Soviet Republic

League of Nations Mandates

• Nauru (administered by Australia, New Zealand and the United Kingdom from December 17)
• New Guinea - Territory of New Guinea (administered by Australia from December 17)
• South Pacific Mandate (administered by Japan from December 17)
• South-West Africa (administered by South Africa from December 17)
• Western Samoa (administered by New Zealand from December 17)

Not enacted

• Mesopotamia - (administered by the United Kingdom from November 11)

References

1. International Law: Achievements and Prospects, p. 51, at Google Books
2. Repertory of Decisions of the International Court of Justice (1947–1992), p. 453, at Google Books