jan 1, 1840 - Polygamy become popular

Description:

Mormons migrated to Utah under the leadership of Brigham Young, brought the practice of polygamy out of the shadows.

Source: https://theconversation.com/explaining-polygamy-and-its-history-in-the-mormon-church-81384#:~:text=After%20the%20murder%20of%20Joseph,Mormon%20Church%20practice%20in%201852.

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