The Black Death is estimated to have killed 30–60% of Europe's total population. In total, the plague may have reduced the world population from an estimated 450 million down to 350–375 million in the 14th century.
Seven states had seceded from the union when Lincoln was elected.
reason behind Ida B. Wells' call for blacks to leave Memphis. A mob destroyed Wells' newspaper while Wells was out of town. Forced to remain in the North, Wells launched a national crusade against lynching that would capture the attention of the nation and Europe.
Venus is unusual because it spins the opposite direction of Earth and most other planets. And its rotation is very slow. It takes about 243 Earth days to spin around just once. Because it's so close to the sun, a year goes by fast.
Oil, fuel. Is that what your asking? I don't get it.