The first transistor was made in 1947.
Notes on verification
Well-documented historical fact corroborated by APS, Britannica, and the Nobel Prize organization, consistent with Bell Labs archives. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=1.0 clusters=2 claim_tier=everyday | kind=empirical eligibility=high]
Sources
- Silicon is still King and it is proving difficult to topple it - IEEE Future Directions (seed:technology_and_ai)
- https://www.aps.org/apsnews/2000/12/discovery-of-the-transistor (corroboration)
- https://www.nobelprize.org/prizes/physics/1956/summary/ (corroboration)