When did Russia get its official name?

Answer 1

Russia got it's name from the barbarian tribe Rus who lived there.
It is thought to have gotten the name from the Scandinavian ethnic groups which came and took on the name of Rus, becoming the idea for the name Russia.

Answer 2

Before the Mongol invasions of the 13th century, there were many Russian kingdoms, including Kievan Rus and Novgorod. During the period of Mongol-Tatar dominance (also known as the Golden Horde), the small Duchy of Moscow (or Muscovy) started to make alliances and gain power, ultimately defeating the various Mongol-Tatar rivals and dominating the smaller Russian kingdoms. Eventually, Ivan III unified most of these smaller nations, married a Byzantine princess, and announced himself as the Ruler of Rus. His descendant, Ivan the Terrible, proclaimed himself Tsar (Russian for 'caesar') and announced that his nation would be the Tsardom of Russia.

Answer 3

It was named Russia in the 800's by vikings, after a tribe and region called "Rus".

Answer 4

It comes from "rus" its a name given to the people who created the Kiev Rus about 800 ad