29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
2130186
178124
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jun 4, 1878 - The first Manual Switchboard was created to establish calls between the subcribers or users, or other exchanges.
Added to timeline:
13 Nov 2018
0
0
429
The Evolution of Phones
Date:
jun 4, 1878
Now
~ 145 years ago