Lee's Invasion of the North. In May 1863, Robert E. Lee's Confederate Army of Northern Virginia had scored a smashing victory over the Army of the Potomac of Chancellorville.
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Fossil documents the existence of now extinct species, showing the different organism have lived on earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories of present-day species.
The Berlin conference was convened to divide the land of Africa among the European nations.
