But in order to do that, both lines have to be strong, and the Cowboys have set out this offseason to strengthen both, with ...

and an extensive network of trenches stretched from the North Sea coast to the Swiss border. An arms race led to the first mass use of poison gas, air warfare, and tanks. On the western front ...

Save guides, add subjects and pick up where you left off with your BBC account. British soldiers read a map in the trenches of the Western Front during World War One. The trenches were dug out of ...

Q: Did the training you got prepare you for trench warfare ... Were you in the first war?" I said yes. "Were you ever with any gas?" I said yes. He said, "We needn't look any further." ...

On 22 April 1915, less than nine months into the First World War, the German army unleashed ... 168 tonnes – of poisonous chlorine gas towards trenches held by French and Algerian forces near ...

He pulls on a gas mask during a chemical attack ... who insists Jim should stay relatively safe and alive in the trench. The war drags on. They’re cold and hungry and exhausted and grief ...

The all-day event, dubbed “Trench Day” involved cross ... few questions on the evolution of gas masks. Gas masks were a vital part of World War I, meant to protect soldiers from the effects ...

Then on April 22, 1915, old-fashioned warfare turned modern. In the late afternoon, a green cloud - poisonous chlorine gas - rose from the German trenches and moved slowly with the wind over the ...