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Today in History: Riots Erupt in Philadelphia After Slavery Parade Attack

8/1/2025

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Summary

Story summary

On August 1, 1842, the Lombard Street riot erupted in Philadelphia, lasting three days. Triggered by a mob attacking a parade celebrating the end of slavery in the West Indies, the riot marked the culmination of a 13-year period of racial violence in the city. It highlighted the deep racial tensions present in Philadelphia at the time.

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Story summary

On August 1, 1842, the Lombard Street riot erupted in Philadelphia, lasting three days. Triggered by a mob attacking a parade celebrating the end of slavery in the West Indies, the riot marked the culmination of a 13-year period of racial violence in the city. It highlighted the deep racial tensions present in Philadelphia at the time.