First samuel, chapter 12 tells of the prophet samuel's displeasure over the nation's desire for a monarchy.

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

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