Worldwar1.com: Trenches on the Web: Introduction

Shows British maps of trench warfare and gives a brief explanation.

Part of that excellent site "Trenches on the Web," this page gives an excerpt from "Notes for Infantry Officers on Trench Warfare." Also includes trench diagrams.

Detailed information on the use of chemicals as weapons during WWI. Includes images of soldiers wearing gas masks, an extensive list of chemicals and their effects, and links to further information on the Second Battle of Ypres and to...

Trenches on the Web offers a set of charts on World War I Armory, which includes the categories of artillery, gas, guns, naval, tanks, trenches, troops, U-boats, and Zeppelins. Be sure to click on "View Set" for each category to see...

This site from Trenches on the Web gives an overview of the different types of artillery used in World War I. Provides several thumbnail images of rail guns, howitzers and other forms of artillery, which can be enlarged by clicking on them.

Provides a wealth of information about the origins of the World War I, and the maneuvers and alliances that took place in the years preceding it.

Photos to click on to see images of World War I trenches: "An Australian trench," "British infantry knee deep in mud," "An abandoned German trench at Messines Ridge".

For six days, heavy guns poured 1.6 million shells onto the deeply echeloned German trench lines on the Somme. Surely nothing could survive that, or could it? A chilling account of the Battle of the Somme, and its continuing effect on...

This site contains pictures, charts and general information on Germany's use of submarine warfare. It focuses on the second phase of submarine usage, i.e., to disrupt trade lines and enforce embargos.

A complete outline of all the major tourist attractions, such as memorials and battle sites, on the WWI western front.