Question

Inform the period of the First World War.

Immediate cause

Answer 1

1. The Austrian Prince, Archduke Franz Ferdinand and his wife were assassinated in Serbia by a Serbian maniac.
2. In Austria people believed that this whole act was manoeuvred by the Serbian Kingdom.
3. In Austria people believed that this whole act was manoeuvred by the Serbian Kingdom.Russia came in to help Serbia.
4. The European nations divided into two groups during World War I, with Austria and Germany supporting Austria-Hungary against Serbia. Germany attacked Belgium, prompting England to join the war against Germany. 
5.  The central powers (Germany, Austria, Turkey, Bulgaria) faced the allied nations (England, France, Russia, later joined by Italy and the U.S.).
6. A naval battle in 1916 resulted in Germany's defeat, leading to the Treaty of Versailles in 1918, marking the end of World War I.