vikings called rus , invaded slav territory and created first russian state
A war starts armys of mongols inveded Russia .
a series of czars (powerful rulers) ruled Russia, Ivan the terible as first and Nicholas II as last.
The U.S.S.R was formed with Mikhail Gorbachev as president
A state of military tension called the cold war existed in the U.S.S.R and U.S.A.
republics broke off of the U.S.S.R, Gorbachev resigned soviet union collaped