Historical place archive

Leiden in History

Browse historical events and people recorded at Leiden in Germany. The records below are rendered directly from the World History Database into this page's initial HTML.

3 records3 event labels1 people1920–1923

Historical events in Leiden

1920

5 May 1920
Ether and Relativity Lecture
Albert Einstein · Physics

Delivers the lecture Ether and the Theory of Relativity, redefining the concept in gravitational terms.

27 October 1920
Leiden Special Professorship
Albert Einstein · Physics

Begins official duties as special professor at Leiden University.

1923

1923
Leiden Research Stay
Albert Einstein · Physics

Spends an extended period in Leiden amid political threats in Germany, continuing scientific work.

Provenance

About these place records

These entries are generated from stored World History Database records whose country and place fields match Germany and Leiden. Names, dates, event labels and descriptions are reviewed and normalised as the database develops. Historical place names may not match modern administrative boundaries.

This database is a research index. For formal scholarly citation, verify individual claims against appropriate primary, archival, academic or specialist sources.