article: List of countries in the 1830s
links: List of sovereign states in the 1820s Kingdom of the Two Sicilies Saxe-Altenburg Sikkim Duchy of Nassau Guatemala City Kingdom of the Netherlands Joseon Saxe-Coburg-Gotha Flensburg Hohenzollern-Hechingen Konbaung dynasty Grand Duchy of Oldenburg Grand Duchy of Tuscany Qajar Iran Kingdom of Portugal France Nicaragua Saxe-Meiningen Perak Qing dynasty Manipur Kingdom Coburg Kingdom of Hanover Kingdom of Saxony Kingdom of Kongo Bremen Nguyễn dynasty Bourbon Restoration in France Free City of Lübeck Gotha Kingdom of Württemberg Kingdom of Greece Peru First Mexican Republic Emirate of Bukhara July Monarchy Kingdom of Nepal Dahomey Russian Empire Kingdom of Sardinia El Salvador Belgrade Kingdom of Denmark Kragujevac Samoa Moldavia Kingdom of Koya Federal Republic of Central America Guatemala Tokugawa shogunate List of sovereign states in the 1840s Saxe-Weimar-Eisenach Sikh Empire Grand Duchy of Hesse Bornu Empire Kingdom of Hawaii Copenhagen Union between Sweden and Norway San Salvador Pahang Republic of Texas Fiji Grand Duchy of Baden Hohenzollern-Sigmaringen Rattanakosin Kingdom (1782–1932) Selangor