Know Nothings Trend 2026

The Know Nothings were a mid-19th-century American nativist political movement, fueled by anti-immigrant and anti-Catholic sentiment. Emerging in the 1850s, their primary goal was to restrict immigration and limit the political influence of newcomers, especially Irish and German Catholics. Their secretive tactics and slogan "I know nothing" gave them their name. Historians and political science students benefit from studying this group to understand the roots of American xenophobia and the complex dynamics of early political reform.