Klin

Klin was an appanage of the Tver grand princes, centred on the fortress town on the Sestra River northwest of Moscow. Konstantin Mikhailovich ruled it in 1337 as a Tver vassal.

His descendants, the Dorogobuzh princes, held Klin during the 14th century, when its walls guarded Tver's frontier against Moscow. The Tatar emir Edigu's raiders sacked the fortress in 1409, and the appanage ended in 1418. Ivan III of Moscow annexed Klin in 1482.