The Battle of Gettysburg fought on July 1–3, 1863, was the turning point of the Civil War for one main reason: Robert E. Lee's plan to invade the North and force an immediate end to the war failed. ... The collision of two great armies at Gettysburg put an end to that audacious plan.
Attempt to overthrow Castro regime in Cuba with the Bay of Pigs.
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The three invaders are the Huns, Visigoth, and the Vandals.
