World War I

Part of the Western Front of the First World War

Part of the U-boat campaign of World War I

Following distinguished service during the First World War

was a Prussian cavalry general, who commanded several Imperial German armies during the First World War on both the Eastern and Western fronts.

He achieved fame during World War I (1914-1918) for his central role in the German victories

led the Imperial German Army during World War I

He distinguished himself as Supreme Allied Commander on the Western Front during the First World War in 1918.

He served as the commander of the American Expeditionary Forces (AEF) during World War I from 1917 to 1920.

Western Front (World War I) of the First World War

Middle Eastern theatre of the First World War

Western Front of the First World War

World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

Infobox wars field lists: World War I

were involved in global conflicts including World War I, World War II, the Cold War, and the war on terror

Since its formation it has seen action in the Napoleonic Wars, the Crimean War, the Russo-Japanese War, the First and Second World Wars

The three services saw action around the world during World War I and World War II

Infobox wars field: First World WarGerman revolution of 1918-1919

Austria-Hungary entered the war with only 48 first-line aircraft

Early in World War I, the Imperial Japanese Navy ship conducted the world's first carrier-launched air raid: on 6 September 1914, the Wakamiya used its crane to lower Farman seaplanes into the water.

They were first used widely during World War I (1914-1918), and are now used in many navies, large and small.

Ironclads continued to be used in World War I.

The Maxim M1905 was still in use with the Russian military in World War I, but mainly equipped with non-frontline troop.

The Sopwith Camel is a British First World War single-seat biplane fighter aircraft that was introduced on the Western Front in 1917.

It first saw combat in the Chinese Boxer Rebellion and was the main German infantry service rifle of World War I.

Combat experience during WWI showed that the Trotyl and Amatol fillings used in France weren't suitable for the heat of Mesopotamia, which led to the development of the Baratol-filled No.

Most torpedoes used in World War I and World War II were wet heaters.

During World War I, mines were used extensively to defend coasts, coastal shipping, ports and naval bases around the globe.

They were widely used in World War I and World War II, and remained part of the anti-submarine arsenals of many navies during the Cold War, during which they were supplemented, and later largely replaced, by anti-submarine homing torpedoes.

During the First World War, screw pickets were used for the installation of wire obstacles; these were metal rods with eyelets for holding strands of wire, and a corkscrew-like end that could literally be screwed into the ground rather than hammered, so that wiring parties could work at night near

The term was first used in 1917 during World War I when Germans used the chemical in combat.

The torpedoes were first deployed in the field in 1912 and primarily used by the s throughout most of their service during the First World War.

The MG 08 () is a heavy machine gun (HMG) which served as the standard HMG of the Imperial German Army during World War I.

Several models of Webley-Fosbery revolvers were produced, and the type saw limited action in the Boer Wars as well as World War I, where some privately purchased examples were carried by British officers in the .455 service chambering.

By the 20th century, it became the Pioneer's billhook in the British Army, used in World War I for making machine gun emplacements.

This led to their being used ashore during World War I as coastal defence guns, the first tank guns and as anti-aircraft guns, whether on improvised or specialized HA/LA mounts.

As well as becoming a standard fitting in the British forces during the First World War, the Scarff ring was used in the postwar Royal Air Force for many years.