When did Hello invented?

Related questions

1. Why do pirates say ahoy?
2. How do you introduce yourself when calling someone?
3. Where does Ahoy come from?
4. Where did Ahoy come from?
5. Do pirates say ARR or Argh?
6. How do pirates say hello?
7. What is the best phone greeting?
8. What was the greeting before Hello?
9. What do pirates drink?
10. Why does Mr Burns say Ahoy hoy?

Tags

1. #according
2. #graham
3. #expressed
4. #alexander
5. #wrote
6. #however
7. #credited
8. #source
9. #ships
10. #thomas
11. #greeting
12. #edison
13. #hullo
14. #surprise
15. #misheard
16. #initially
17. #telephone
18. #hello