What are the names of all Russian states?

* Vladimir-Suzdal Principality (1157-1389)

* Novgorod Republic (1136-1478)

* Grand Duchy of Moscow (1283-1547)

* Tsardom of Russia (1547-1721)

* Russian Empire (1721-1917)

* Provisional Government of Russia (1917)

* Russian Soviet Federative Socialist Republic (1917-1991)

* Russian Federation (1991-present)