// todo need optimize like in event.jsp. Add indexing or not indexing this page. 10M telephones (jan 1, 1918 – dec 31, 1918) (Timeline)

10M telephones (jan 1, 1918 – dec 31, 1918)

It was estimated that approximately ten million Bell system telephones were in service throughout the U.S.

23 Oct 2018

jan 1, 1918

dec 31, 1918

~ 12 months

2024 © Time.Graphics

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL

Excellent (Trustpilot Reviews)

Based on 115+ reviews

Write your own review on Trustpilot.com