Major Ancient Merger Proposed for Andromeda
A merger-history study proposes that M31 experienced a dominant collision with a large galaxy about two billion years ago and links the event to its stellar halo and M32.
Historical biography archive · Updated 2026-11-03
Richard D'Souza Biography and Timeline
Follow Richard D'Souza through 1 dated historical records for United States.
Richard D'Souza, historical timeline
A chronological timeline drawn from matching World History Database records.
1Distinct records
1 of 1Page
2018–2018Years on this page
2018
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.