Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:historical_event
|
| gptkbp:enables |
long-distance communication
|
| gptkbp:firstCommercialUseYear |
1839
|
| gptkbp:firstDemonstrationYear |
1837
|
| https://www.w3.org/2000/01/rdf-schema#label |
Invention of the telegraph
|
| gptkbp:ledTo |
gptkb:Morse_code
telegraph |
| gptkbp:locationOfFirstLine |
gptkb:England
gptkb:United_States |
| gptkbp:notableInvention |
gptkb:Joseph_Henry
gptkb:Samuel_Morse gptkb:Charles_Wheatstone gptkb:William_Fothergill_Cooke |
| gptkbp:occurredIn |
19th century
|
| gptkbp:relatedTo |
telegraph
|
| gptkbp:bfsParent |
gptkb:pre-Civil_War_United_States
|
| gptkbp:bfsLayer |
6
|