States and territories disestablished in 1859

Wallachia is a geographical region of modern-day Romania, as well as one of the two historical Romanian principalities that laid the foundation for the establishment of the modern Romanian state. It is situated north of the Lower Danube and south of the Southern Carpathians. Wallachia was traditionally divided into two sections, Muntenia (Greater Wallachia) and Oltenia (Lesser Wallachia). Dobruja could sometimes be considered a third section due to its proximity and brief rule over it. Wallachia as a whole is sometimes referred to as Muntenia through identification with the larger of the two t

Moldavia (, or ; in Romanian Cyrillic: or ) is a historical region and former principality in Eastern Europe, corresponding to the territory between the Eastern Carpathians and the Dniester River. An initially independent and later autonomous state under Ottoman overlordship, it existed from the 14th century to 1859, when it united with Wallachia () as the basis of the modern Romanian state; at various times, Moldavia included the regions of Bessarabia (with the Budjak), all of Bukovina and Hertsa. It also included the region of Pokuttya for a period of time.

former Italian state (1569–1801; 1815–1859)

former Italian state (1545–1802; 1814–1859)

former country

former state in the Northern Caucasus

territory of the USA between 1848-1859

1849-1859 empire in the Caribbean

princely state of the British Raj

Malay kingdom (1839–1864)