---
title: WWI Public Service Poster for a Gas Attack
author: Unknown Artist
source: https://www.worldhistory.org/image/21329/wwi-public-service-poster-for-a-gas-attack/
format: machine-readable-alternate
license: Creative Commons Attribution-NonCommercial-ShareAlike (https://creativecommons.org/licenses/by-nc-sa/4.0/)
updated: 2026-01-11
---
# WWI Public Service Poster for a Gas Attack
_Authored by Unknown Artist_
## Image File
[](https://www.worldhistory.org/uploads/images/21329.png)
## Image Caption
A United States official poster informing people what to do in case of a poison gas attack during the First World [War](https://www.worldhistory.org/disambiguation/War/) (1914-18).
Imperial War Museums, London.
## Cite This Work
### APA
Artist, U. (2025, November 17). WWI Public Service Poster for a Gas Attack. *World History Encyclopedia*.
### Chicago
Artist, Unknown. "WWI Public Service Poster for a Gas Attack." *World History Encyclopedia*, November 17, 2025. .
### MLA
Artist, Unknown. "WWI Public Service Poster for a Gas Attack." *World History Encyclopedia*, 17 Nov 2025, .
## License & Copyright
[Original image](https://www.iwm.org.uk/collections/item/object/205270489) by **Unknown Artist**. Submitted by [Mark Cartwright](https://www.worldhistory.org/user/markzcartwright/ "User Page: Mark Cartwright"), published on 17 November 2025. The copyright holder has published this content under the following license: [Creative Commons Attribution-NonCommercial-ShareAlike](https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en). This license lets others remix, tweak, and build upon this content non-commercially, as long as they credit the author and license their new creations under the identical terms. When republishing on the web a hyperlink back to the original content source URL must be included. Please note that content linked from this page may have different licensing terms.