China participated in World War I from 1917 to 1918 in an alliance with the Entente Powers. Although China never sent troops overseas, 140,000 Chinese...

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...

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...

During World War I (1914–1918), Brazil initially adopted a neutral position, in accordance with the Hague Convention, as an attempt to maintain markets...

Japan participated in World War I from 1914 to 1918 as a member of the Allies/Entente and played an important role against the Imperial German Navy. Politically...

history of Canada in World War I began on August 4, 1914, when the United Kingdom entered the First World War (1914–1918) by declaring war on Germany. The...

During World War I and World War II, Switzerland maintained armed neutrality, and was not invaded by its neighbors, in part because of its topography,...

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...

and the Central Powers during the First World War. For the global picture, see Propaganda in World War I. At the start of the war various government departments...

war. World War II was a total war; homeland military production became vital to both the Allied and Axis powers. Life on the home front during World War...

The British Army during the First World War fought the largest and most costly war in its long history. Unlike the French and German Armies, the British...

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...

During the First World War (1914–1918), Denmark maintained its neutrality. The position of neutrality was agreed to by all the major political parties...

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...

Second Sino-Japanese War was fought between the Republic of China and the Empire of Japan between 1937 and 1945, following a period of war localized to Manchuria...

During World War I (1914–1918), belligerents from both the Allied Powers and Central Powers violated international criminal law, committing numerous war...

The British colony of Hong Kong saw no military action during World War I (1914–1918). The biggest external threat to the colony was perceived to be the...

At the onset of World War I, Vietnam, nominally under the Nguyễn dynasty, was under French protectorate and part of French Indochina. While seeking to...

Russo-Japanese War, before World War I through the colonisation of Taiwan and Korea. In 1931, Japan invaded and conquered Manchuria in northeast China. The bordering...

The Middle Eastern theatre of World War I saw action between 30 October 1914 and 30 October 1918. The combatants were, on one side, the Ottoman Empire...

Front or Eastern Theater of World War I (German: Ostfront; Romanian: Frontul de răsărit;), for Russia Second Patriotic War (Russian: Вторая Отечественная...

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

involved in World War I as part of the British Empire. More than one million Indian troops served overseas, of whom more than 60,000 died during the war. In World...

World War I Bolivia during World War I China during World War I Costa Rica during World War I Cuba during World War I Ecuador during World War I Guatemala...

Women in World War I were mobilized in unprecedented numbers on all sides. The vast majority of these women were drafted into the civilian work force...

one of the Central Powers of World War I, allied with the German Empire, Austria-Hungary, and Bulgaria. It entered the war on 29 October 1914 with a small...

the Donghak Peasant Revolution. After Japan defeated China in the 1894–1895 First Sino–Japanese War, Joseon became nominally independent and declared the...

timeline of declarations of war during World War II. A declaration of war is a formal act by which one nation goes to war against another. The declaration...

Technology played a significant role in World War II. Some of the technologies used during the war were developed during the interwar years of the 1920s and...

against the Kingdom of Serbia during the First World War. The first campaign began after Austria-Hungary declared war on Serbia on 28 July 1914. The...