1. Russias - Noun
2. Russias - Proper noun
Russias pl
(chiefly historical) The East Slavic states descended from the Rus collectively, typically including Russia (Great Russia), Belarus (White Russia) and Ukraine (Little Russia or Kievan Russia); the Russian Empire. Especially in the title "Emperor (or Tsar or Czar) of All the Russias."
Russias
plural of Russia
The Autocrat of all the Russias will resign his crown, and proclaim his subjects free republicans sooner than will our American masters voluntarily give up their slaves. Abraham Lincoln
Ivan III ("the Great") finally threw off the control of the Golden Horde and consolidated the whole of Central and Northern Rus' under Moscow's dominion, He was also the first to take the title "Grand Duke of all the Russias". Source: Internet
One of the ideas that Engels and Marx contemplated was the possibility and character of a potential revolution in the Russias. Source: Internet
Therefore, his younger brother and co-ruler was effectively the autocrat of all the Russias. Source: Internet
W. Bruce Lincoln, The Romanovs: Autocrats of All the Russias (New York: Dial Press, 1981) pp. 408–413. Source: Internet