Direct Demonstration of Earths Rotation
Provides visible mechanical evidence that Earth rotates.
Historical biography archive · Updated 2026-11-03
Jean Bernard Leon Foucault Biography and Timeline
Follow Jean Bernard Leon Foucault through 4 dated historical records for France.
Jean Bernard Leon Foucault, historical timeline
A chronological timeline drawn from matching World History Database records.
4Distinct records
1 of 1Page
1851–1852Years on this page
1851
Foucault Pendulum
Demonstrates a long pendulum beneath the dome of the Pantheon.
1852
Gyroscope
Constructs and names the gyroscope for studying rotational motion.
Rotational Reference Instrument
Creates an instrument preserving orientation through angular momentum.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.