States and territories disestablished in 1848

canton of Switzerland

kingdom in Western Europe (987–1792; 1815–1848)

Confederation of States in Germany from 1815 to 1866

kingdom governing France, 1830–1848

insurrection and a major event in the Revolutionary Year of 1848

Polish client state of the Kingdom of Prussia (1815-48)

former country

territory of the USA between 1836-1848

aspect of history

province of New Spain (1598-1821), territory of Mexico (1821-1846), provisional government of the USA (1846-1850)

Italian duchy, part of Kingdom of Sardinia (1815–1848)

state in western Europe (1034–1848)

This is not a state in India, but a district under the state of Odisha