First outdoor telephone was wired. (1 янв 1877 г. – 31 дек 1877 г.)
Описание:
The very first permanent outdoor telephone wire was completed. It stretched a distance of just three miles. This was closely followed in the U.S. by the worlds first commercial telephone service.Добавлено на ленту времени:
Дата:
1 янв 1877 г.
31 дек 1877 г.
~ 12 months