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Today in History: Arizona Governor Signs Controversial Immigration Bill SB 1070

4/23/2026

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Summary

Story summary

On April 23, 2010, Arizona Governor Jan Brewer signed the controversial SB 1070, the strictest anti-illegal immigration law in the United States. The law aimed to empower law enforcement to combat illegal immigration but faced significant backlash and legal challenges, with much of it later invalidated by the U.S. Supreme Court.

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Story summary

On April 23, 2010, Arizona Governor Jan Brewer signed the controversial SB 1070, the strictest anti-illegal immigration law in the United States. The law aimed to empower law enforcement to combat illegal immigration but faced significant backlash and legal challenges, with much of it later invalidated by the U.S. Supreme Court.