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...

The Kingdom of Romania, under the rule of King Carol II, was initially a neutral country in World War II. However, Fascist political forces, especially...

King of Romania on 10 October 1914, under the name Ferdinand I, following the death of his uncle, King Carol I. He ruled Romania during World War I, choosing...

Theater of World War I  was a theater of operations that encompassed at its greatest extent the entire frontier between Russia and Romania on one side...

Belgium in World War I France in World War I Germany in World War I Italy in World War I Romania in World War I United Kingdom in World War I United States...

World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a global conflict between two coalitions: the Allies...

World War I began when Austria-Hungary invaded Serbia in July 1914, following the Assassination of Archduke Franz Ferdinand by Gavrilo Princip. Austria-Hungary...

During World War I, the Kingdom of Romania was a source of various types of military equipment. Either directly, or indirectly through Romanian-born people...

republic in 1947. During his reign, Carol I personally led Romanian troops during the Russo-Turkish War and assumed command of the Russo/Romanian army during...

Romania with "a unifying concept of nationhood" started to evolve in the late 1910s. World War I played a crucial part in the development of Romanian...

of Bulgaria participated in World War I on the side of the Central Powers from 14 October 1915, when the country declared war on Serbia, until 30 September...

The Romanian War of Independence is the name used in Romanian historiography to refer to the Russo-Turkish War (1877–78), following which Romania, fighting...

At the outbreak of World War I in August 1914, Hungary was part of the Dual Monarchy of Austria-Hungary. Although there are no significant battles specifically...

second Romanian campaign of World War I was one of the shortest military operations of the war, taking place during the last two days of the war, 10 and...

The foreign policy of Romania in the years preceding the outbreak of World War I was characterized by the nation's need to contend with the rise and shifting...

Hungarian prime minister Count Mihály Károlyi, the Allies of World War I intended that Romania's Army, the Czechoslovak army and the Franco-Serbian armies...

This list of military engagements of World War I covers terrestrial, maritime, and aerial conflicts, including campaigns, operations, defensive positions...

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

World War (28 July 1914 – 11 November 1918) who lived to 1999 or later, along with the last known veterans for countries that participated in the war...

Michael I (Romanian: Mihai I [miˈhaj]; 25 October 1921 – 5 December 2017) was the last King of Romania, reigning from 20 July 1927 to 8 June 1930 and again...

29 October 1875 – 18 July 1938) was the last queen of Romania as the wife of King Ferdinand I. Marie was born into the British royal family. Her parents...

the technology of warfare in general. This trend began at least fifty years prior to World War I during the American Civil War of 1861–1865, and continued...

The United States entered into World War I on 6 April 1917, more than two and a half years after the war began in Europe. Apart from an Anglophile element...

years, but the first large-scale use of chemical weapons was during World War I. They were primarily used to demoralize, injure, and kill entrenched...

The United States declared war on Germany on April 6, 1917, nearly three years after World War I started. A ceasefire and armistice were declared on November...

safekeeping during World War I, with the aim of being sheltered from the armies of the Central Powers, which had occupied a significant part of Romania and threatened...

to distinguish it from "Greater Romania", which included the provinces that became part of the state after World War I (Bessarabia, Banat, Bukovina, and...

The total number of military and civilian casualties in World War I was about 40 million: estimates range from around 15 to 22 million deaths and about...

aftermath of World War I saw far-reaching and wide-ranging cultural, economic, and social change across Europe, Asia, Africa, and even in areas outside...

continued until after World War I, with Brătianu himself showing reserves over projects that aimed to replace the 1866 Constitution of Romania with a fully democratic...