States and territories established in 1830

Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to the south, and the North Sea to the west. The country also shares a maritime boundary with the United Kingdom to the northwest. Belgium covers an area of and has a population of more than 11.8 million; its population density of ranks 22nd in the world and sixth in Europe. The capital and largest metropolitan region is Brussels; other major citi

Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. It also includes the Galápagos Province which contains the Galápagos Islands in the Pacific, about west of the mainland. The country's capital is Quito and its largest city is Guayaquil.

French colony in Northern Africa from 1830 to 1962

Polish uprising against occupying Russian Empire from November 1830 to September 1831

former collection of territories in North Africa controlled by France

Bantu kingdom in midwestern Uganda

wahidi state in the British Aden Protectorate

former state in South America

federally recognized tribe in Oklahoma, US

former country

feudal domain in Edo-period Japan

Wahidi sultanate in the Aden Protectorate (1830–1881)