Sonoma (Russian America)

Dalnerussia (Russian: Дальнеруссия Dal'nerussia), officially known as the Dalnerussian Oblast (Дальнерусская область Dal'nerusskaya oblast ' ), is one of the oblasts that makes up. The area formed from the Colony of Ross in 1812, but was renamed Dalnerussia in 1840 after the region was incorporated into the Russian Empire.