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mar 2, 1820 - Missouri Compromise

Description:

Missouri, a slave state, was admitted into the union as long as Maine joined as a free state. This introduced the "above the line rule". Any state "above the line" would have to be a free state, while any state below the line could choose to be a slave state.

Added to timeline:

12 Jan 2022
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Date:

mar 2, 1820
Now
~ 206 years ago