Discovery of Triton
Lassell discovers Triton, Neptune's largest moon, only seventeen days after Neptune itself is identified as a planet.
Historical biography archive · Updated 2026-11-03
William Lassell Biography and Timeline
Follow William Lassell through 3 dated historical records for Great Britain.
William Lassell, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
1846–1847Years on this page
1846
Triton Observation
Lassell begins follow-up observations confirming that the newly found object moves with Neptune as a satellite.
1847
Triton Orbit
Continued observations establish Triton as a genuine moon of Neptune rather than a background star.
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.