Historedia
Person

Dmitri Mendeleev

Events
1
Episodes
3
Years
1869–1870

Every event in Historedia whose sources name Dmitri Mendeleev, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Mendeleev completes and presents the periodic table

    1869–1870

    Role: Chemist and Founder of Russian Chemical Society

    1. 17 February 1869 · Saint PetersburgArrangement by Atomic Weight

      Mendeleev began arranging elements by atomic weights in February 1869, finding a consistent pattern of recurring properties.

    2. 6 March 1869 · Saint PetersburgPresentation to the Russian Chemical Society

      Mendeleev formally presented his periodic law to the Russian Chemical Society in March 1869.

    3. 1870 · Saint PetersburgPrediction of Unknown Elements

      Mendeleev used gaps in his 1869 table to predict properties of missing elements, and in 1870 gave detailed predictions for three eka-elements.

Sources

  1. Dmitri Mendeleev Wikipedia, revision of 2026-10-05