Which countries were members of the league of nations as of 1920?

Argentina, Belgium, Bolivia, Brazil, British Empire, Chile, Republic of China, Colombia, United Kingdom, Australia, Canada, India, New Zealand, South Africa, Cuba, Czechoslovakia, Germany, Denmark, El Salvador, France, Greece, Guatemala,Haiti, Honduras, Kingdom of Italy,  Empire of Japan,  Liberia, Netherlands, Nicaragua, Norway, Panama, Paraguay,  Persia, Peru, Poland, Portugal, Romania,  Siam aka Thailand,  Spain, Sweden,  Switzerland, Uruguay, Venezuela, Austria, Bulgaria, Costa Rica,  Finland,  Luxembourg, Albania,

Arab nations, SW Asian countries, China, areas in the Pacific, Mexico and the United States.