Russian Empire
The Russian Empire, also known as Imperial Russia or simply Russia, was an empire that existed across Eurasia and North America from 1721, following the end of the Great Northern War, until the Republic was proclaimed by the Provisional Government that took power after the February Revolution of 1917.
Archaeology of Russia
Russian archaeology begins in the Russian Empire in the 1850s and becomes Soviet archaeology in the early 20th century. 
The journal "Sovetskaya Arkheologiia" is published from 1957.