World War I



U-boat, German U-boot, abbreviation of Unterseeboot, (“undersea boat”), a German submarine. At the outset of World War I, German U-boats, though numbering only 38, achieved notable successes against British warships

Convoy System

Developed by the Royal Navy. The convoy system was a group of merchant vessels sailing together for mutual security and protection

John J. Pershing

"Black Jack" General Officer In the US Army Who led the American Expeditionary Forces In World War I.

American Expeditionary Forces- AEF

The United State Forces sent to Europe In World War I. During The United States Campaign In World War I The AEF faught In France alongside French & British allied Forces. The AEF was led by General John J. Pershing.

Trench Warfare

Trench warfare is a way to fight and be protected by being so deep that you can shoot without being clearly seen. There would be many deaths in the trenchs and that caused rat infestations.

"No Man's Land"

Mustard Gas

Mustard gas harmed and killed soldiers by the thousands and affected battle lines. Because of this versatility, mustard gas served as the most desirable chemical agent during World War I for both sides. Germans began using the chemical, gas masks proved useless because mustard gas couldn't penetrate the filters and mask housing.


'Doughboys' was the nickname given to the American Expeditionary Force that took part in the later years of World War I. Before this decisive US involvement it had applied only to infantryman, but at some point between April 1917 and November 1918 the word expanded to include the whole American armed forces.

Big Bertha

Only four Big Bertha howitzers were produced, the first two rolling off the production line a mere matter of days after the onset of hostilities, on 9 August 1914. Once constructed these huge guns, whose shells weighed 820kg each, were shipped in their constituent parts by tractor to their destination point where they were once again reassembled by a huge crew of as many as 1,000 men.

Kalyn Darnell

March 26, 2013