Concept
Version 12
Created by Boundless
The Call to Arms
Piave Front, 1918
American soldiers on the Piave Front in 1918 hurling hand grenades into the Austrian trenches.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Piave Front, 1918."
http://en.wikipedia.org/wiki/File:Piave_Front_1918.JPEG
Wikipedia
Public domain.