1820 in philosophy

Publications

• Thomas Brown - Lectures on the Philosophy of the Human Mind
• Georg Wilhelm Friedrich Hegel - ''Grundlinien der Philosophie des Rechts''

Births

• 22 January - James Hutchison Stirling, English philosopher
• 27 April – Herbert Spencer, English philosopher and sociologist
• 23 June –, German author and philosopher
• 28 November – Friedrich Engels, German revolutionary, political economist, philosopher, industrialist, and military historian

Deaths

• 24 March – Jean-Baptiste-René Robinet, French philosopher
• 2 April – Thomas Brown, Scottish philosopher and doctor
• 20 July –, Swedish philosopher