Everything has a timeline

TiMELiNES

1878

First commercial telephone exchange opens

A commercial exchange begins operating in New Haven, an important step toward networked telephony.

Canonical milestoneNew Haven, Connecticut1 timeline

Context

Appears In

TimelineTimeline of the History of the Telephone

Position 7

Authority

Sources

BritannicaConfidence 95%

Taxonomy

Tags

technologytelephonenetwork