21h 51min, mar 3, 1820 y - Missouri Compromise
Description:
In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state.
Added to timeline:
Date:
21h 51min, mar 3, 1820 y
Now
~ 205 years ago
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