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Articles relating to theKnow Nothings, anativist political movement in the United States in the 1850s, officially known as theNative American Party before 1855, and afterwards simply theAmerican Party. Supporters of the Know Nothing movement believed that an alleged "Romanist" conspiracy to subvert civil andreligious liberty in the United States was being hatched byCatholics. Therefore, they sought to politically organize native-bornProtestants in defense of their traditional religious and political values.

• American nationalist parties
• Anti-Catholic organizations
• Anti-Catholicism in the United States
• Anti-German sentiment in the United States
• Anti-Irish sentiment
• British-American history
• Defunct American political movements
• Defunct far-right political parties in the United States
• History of Catholicism in the United States
• History of immigration to the United States
• History of racism in the United States
• 1850s in the United States
• Irish-American history
• Nativism (politics)
• Protestant political parties
• Protestantism in the United States
• Secret societies in the United States
• Right-wing populism in the United States

• Commons category link is on Wikidata
• Wikipedia categories named after political parties in the United States