On June 28, 1914, Archduke Franz Ferdinand and his wife, Sophie, made an official visit to Sarajevo, the capital of Austria-Hungary's province of Bosnia things got rough. A terrirost tried and succeded in killing the newleyed couple. After this happened many European countries declared war on each other. Since Europe had a sustem of alliances that linked the European nations to each other there were many conflicts of interests. This system requred member nations to come to one another's aid in case of attack. When the conflict started, these ties led to the division of Europe intwo two camps. Germany sided with Austria-Hungary, and htey headed the Central Powers. They were later joined by the Ottoman Empire. France, Britain, and Russia led the Allied Powers.
