An English translation of the paper of Max Planck (1943) about “Zur Geschichte der Au ndung des physikalischen Wirkungsquantums: or: :The history of the discovery of the physical quantum of action” to provide a readable version of the German content. . EUROPEAN INTERNATIONAL JOURNAL OF ADVANCED RESEARCH AND INNOVATIONS, [S. l.], v. 1, n. 1, p. 8–10, 2025. Disponível em: https://innojournals.my.id/index.php/eijari/article/view/7. Acesso em: 13 may. 2026.