Timeline of Communication Technology
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This is a timeline of communications technology
Big picture
| Time period | Development summary | More details |
|---|
Full timeline
| Year | Technology/event | Inventor | Details | |
|---|---|---|---|---|
| 1767 | Semaphore invented | Richard Edgeworth | [1] | |
| 1774 | Early telegraph invented | Georges-Louis Le Sage | One wire each for 26 letters, ran between two rooms in same house [1] | |
| 1791 | Semaphore (French, proof of concept) | Claude Chappe | Brûlon to Parcé [1] | |
| 1794 | Semaphore (French, operation) | Paris to Lille [1] | ||
| 1794 | Semaphore (Sweden, operation) | [1] | ||
| 1795 | Semaphore (UK, operation) | Lord George Murray | [1] | |
| 1775 | USPS founded | Benjamin Franklin | [1] | |
| 1816 | Telegraph (Proof of Concept) | Francis Ronalds | [1] | |
| 1837 | Telegraph (Electric Relay) | Joseph Henry, Edward Davy | [1] | |
| 1840 | Telegraph (Allowed Unskilled Operator) | Charles Wheatstone's | [1] | |