Vladimir Ilyich Ulyanov — better known as Vladimir Lenin — was the Russian president who changed the world in 1917. That year, his own intervention and the intervention of his supporters caused the collapse of Tsarist Russia and ushered in the era of the Soviet Union. Despite his death during the early years of the USSR, he is still considered to be one of the founders of modern-day Russia.
1. Even though Lenin died in 1924, his corpse can still be seen on display in the capital city of Moscow.