TL;DR


Individualist Roots (Pre–Civil War to 1908)


Collectivist and Labor Anarchism (1870s–1920s)


Suppression and Survival (1920s–1950s)


New Left and Counterculture (1960s–1970s)


Anti-Globalization and Intellectual Resurgence (1999–2011)


Contemporary Anarchism (2010s–2020s)


Unresolved Tensions