The following events related to sociology occurred in the 1860s.

Births

• July 3: Charlotte Perkins Gilman

Events

• Sir Henry James Sumner Maine's Ancient Law is published

Events

• Lewis Morgan's The Indian Journals is published.
• Herbert Spencer's First Principles is published.

Events

• Lewis Morgan's Ancient Society is published.
• Herbert Spencer's Laws In General is published.

Births

• February 14: Robert E. Park
• March 30: Franz Oppenheimer
• April 21: Max Weber
• August 17: Charles Cooley

Events

• The First Volume of Karl Marx's Capital is published.
• The foundation of the London Positivist Society by Richard Congreve.

Events

• Francis Galton's Hereditary Genius is published.
• John Stuart Mill's The Subjection of Women is published.