A Afghanistan Albania Algeria Andorra Angola Antigua and Barbuda Argentina Armenia Australia Austria Austrian Empire Azerbaijan
B Baden* Bahamas, The Bahrain Bangladesh Barbados Bavaria* Belarus Belgium Belize Benin (Dahomey) Bolivia Bosnia and Herzegovina Botswana Brazil Brunei Brunswick and Lüneburg Bulgaria Burkina Faso (Upper Volta) Burma Burundi
C Cabo Verde Cambodia Cameroon Canada Cayman Islands, The Central African Republic Central American Federation* Chad Chile China Colombia Comoros Congo Free State, The Costa Rica Cote d’Ivoire (Ivory Coast) Croatia Cuba Cyprus Czechia Czechoslovakia
D Democratic Republic of the Congo Denmark Djibouti Dominica Dominican Republic Duchy of Parma, The*
E East Germany (German Democratic Republic) Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia
F Federal Government of Germany (1848-49)* Fiji Finland France
G Gabon Gambia, The Georgia Germany Ghana Grand Duchy of Tuscany, The* Greece Grenada Guatemala Guinea Guinea-Bissau Guyana
H Haiti Hanover* Hanseatic Republics* Hawaii* Hesse* Holy See Honduras Hungary
I Iceland India Indonesia Iran Iraq Ireland Israel Italy
J Jamaica Japan Jordan
K Kazakhstan Kenya Kingdom of Serbia/Yugoslavia* Kiribati Korea Kosovo Kuwait Kyrgyzstan
M Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Mauritania Mauritius Mecklenburg-Schwerin* Mecklenburg-Strelitz* Mexico Micronesia Moldova Monaco Mongolia Montenegro Morocco Mozambique
N Namibia Nassau* Nauru Nepal Netherlands, The New Zealand Nicaragua Niger Nigeria North German Confederation* North German Union* North Macedonia Norway
O Oldenburg* Oman Orange Free State*
P Pakistan Palau Panama Papal States* Papua New Guinea Paraguay Peru Philippines Piedmont-Sardinia* Poland Portugal
Q Qatar
R Republic of Genoa* Republic of Korea (South Korea) Republic of the Congo Romania Russia Rwanda
S Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Schaumburg-Lippe* Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands, The Somalia South Africa South Sudan Spain Sri Lanka Sudan Suriname Sweden Switzerland Syria
T Tajikistan Tanzania Thailand Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Tuvalu Two Sicilies*
U Uganda Ukraine Union of Soviet Socialist Republics* United Arab Emirates, The United Kingdom, The Uruguay Uzbekistan