World War I: In the culmination of the July Crisis, Austria-Hungary declares war on the Kingdom of Serbia and begins the Great War.

World War I

1914–1918 global conflict

World War I or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Main areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. There were important…

July Crisis

1914 events leading to World War I

The July Crisis was a series of interrelated diplomatic and military escalations among the major powers of Europe in mid-1914, which led to the outbreak of World War I. It began on 28 June 1914 when the Bosnian Serb nationalist Gavrilo Princip assassinated Archduke Franz…

Austria-Hungary

1867–1918 empire in Central Europe

Austria-Hungary, also referred to as the Austro-Hungarian Empire, the Dual Monarchy or the Habsburg Monarchy, was a multi-national constitutional monarchy in Central Europe between 1867 and 1918. A military and diplomatic alliance, it consisted of two sovereign states with a…

To my peoples

To my peoples! was a manifesto signed by Emperor Franz Joseph I of Austria-Hungary in Bad Ischl on July 28, 1914. The text announced the Austro-Hungarian entry into World War I and the declaration of war on Serbia, starting World War I.

Kingdom of Serbia

Country in Southeast Europe (1882–1918)

The Kingdom of Serbia was a country located in the Balkans which was created when the ruler of the Principality of Serbia, Milan I, was proclaimed king in 1882. Since 1817, the Principality was ruled by the Obrenović dynasty. The Principality, under the suzerainty of the Ottoman…