Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

Unrestricted submarine warfare resumed (jan 1, 1917 – may 27, 1920)

Added to timeline:

WW1

ByShane Morrissy

17 Feb 2020

0

0

458

Date:

jan 1, 1917

may 27, 1920

~ 3 years and 4 months

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

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

Secured with SSL