Vladimir, the great Grand Prince of Kiev was known for a) After sending out men to investigate various religions, he chose Eastern Orthodox Christianity as the state religion. He was actually pagan previously.
The smallpox epidemic in 1721 spread between 5,889 Bostonians and 844 died of it. October was the worst month, with 411 deaths
Slavic and Scandinavian countries are very rich in resources, and Russia wanted to control most trade in Europe until the collapse of the Soviet Union. More trade = More power and they were still recovering after the HARD losses when the Germans' invaded Leningrad and the war.
They lived among the Hidatsa and Mandan Indians in the upper Missouri River area (present-day North Dakota). In November 1804, an expedition led by Meriwether Lewis and William Clark entered the area. ... Lewis and Clark met Charbonneau and quickly hired him to serve as interpreter on their expedition.
I'm pretty sure it was Thomas "StoneWall" Jackson.