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29 juill. 1900 - 1900

Description:

Italy's King Umberto is assassinated after several years of social unrest and the imposition of martial law.

Max Planck (1858–1947) formulates the quantum theory, making the assumption that energy is made up of individual units he called quanta.

Sigmund Freud publishes his landmark work "The Interpretation of Dreams," introducing his theory of the unconscious as it is reflected in dreams.

Ajouté au bande de temps:

Date:

29 juill. 1900
Maintenaint
~ Il y a 125 ans