6 events with tag "telegraph"
1756
ID: 551
Samuel Morse develops telegraph using mathematical analysis of electrical signals
ID: 551
1837
ID: 810
First commercial telegraph patents filed
ID: 810
1838
ID: 814
Samuel Morse develops telegraph using mathematical analysis of electrical signal transmission
ID: 814
1844
ID: 844
First long-distance telegraph line Washington to Baltimore - Morse sends first message
ID: 844
1845
ID: 853
Telegraph lines spread rapidly across America and Europe
ID: 853
1864
ID: 5583
Moltke perfects railway mobilization plans - Prussia can concentrate armies faster than any European power using detailed timetables
ID: 5583