The campaign in South Arabia during World War I was a minor struggle for control of the port city of Aden, an important way station for ships on their...

of World War I. Below is a table showing the outbreaks of wars between nations which occurred during World War I. Indicated are the dates (during the...

Technology during World War I (1914–1918) reflected a trend toward industrialism and the application of mass-production methods to weapons and to the technology...

operations during World War I Military engagements of World War I South Arabia during World War I Western Front (World War I) Eastern Front (World War I) West...

The United Kingdom was a leading Allied Power during the First World War of 1914–1918. They fought against the Central Powers, mainly Germany. The armed...

The Eastern Front or Eastern Theater of World War I (German: Ostfront; Romanian: Frontul de răsărit; Russian: Восточный фронт, romanized: Vostochny front)...

The Kingdom of Romania was neutral for the first two years of World War I, entering on the side of the Allied powers from 27 August 1916 until Central...

Conflicts took place in North Africa during World War I (1914–1918) between the Central Powers and the Entente and its allies. The Senussi of Libya sided...

Kingdom of Croatia, Slavonia and Dalmatia was part of Austria-Hungary during World War I. Its territory was administratively divided between the Austrian and...

Iran and Saudi Arabia are engaged in an ongoing struggle for influence in the Middle East and other regions of the Muslim world. The two countries have...