EntityQ1092510· pop 16· linked from 696 articlesFirst Red ScareSign in to saveearly 20th-century American historical eventConnectionsChicagoEntityClevelandEntityBolsheviksEntityCommunist InternationalEntityanti-Chinese sentimentEntityMarch First MovementEntityCharles Emil RuthenbergEntityhistory of the United States from 1918 to 1945EntityBodo League massacreEntityAlexander Mitchell PalmerEntityPalmer RaidsEntityImmigration Act of 1903EntityUnited StatesCountryFinlandCountryLatviaCountryDonald TrumpPersonAdolf HitlerPersonNew York CityCityKarl MarxEntityRonald ReaganPersonCategories1919 in the United States1920 in the United StatesAnarchism in the United StatesAnti-anarchism in the United StatesAnti-communism in the United StatesConspiracy theories involving communismHistory of the United States (1917–1945)Industrial Workers of the WorldPolitical and cultural purgesPolitical repression in the United StatesPresidency of Woodrow Wilson