15 mar 1820 año - Maine admitted to the Union as the 23rd state.
Descripción:
Maine is admitted as a free state only after Missouri was allowed to enter the Union as a slave state. This was part of the Missouri Compromise of 1820, maintaining the balance of free and slave states.
Añadido al timeline:
fecha:
15 mar 1820 año
Ahora mismo
~ 205 years ago
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