Historical biography archive · Updated 2026-11-03

William Gray Biography and Timeline

Follow William Gray through 1 dated historical records for United States of America.

William Gray, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records
1 of 1Page
1889–1889Years on this page

1889

Invention of Coin-Operated Telephone

Hartford · Science / Technology

The first coin-operated telephone is patented by William Gray of Hartford

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.