The following events related to sociology occurred in the 1820s.

1820

Events

• Thomas Malthus's Principles of Political Economy is published.

Births

• April 27: Herbert Spencer
• November 28: Friedrich Engels

Events

• Georg Wilhelm Friedrich Hegel's Social Classes is published.

1822

Events

• Auguste Comte's Plan of scientific studies necessary for the reorganization of society
• G. W. F. Hegel's Elements of the Philosophy of Right

1824

Events

• Henri de Saint-Simon's Cat chisme des industriels is published.

1826

Events

• Auguste Comte' The Crisis of Industrial Civilization