WORLD HISTORY

Detailed explanation-1: -A month after the assassination of Archduke Franz Ferdinand and his wife Sophie on July 28, 1914, the Austro-Hungarian government declares war on Serbia. Immediately, and within a period of six days, European countries declare war upon one another.

Detailed explanation-2: -On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War.

Detailed explanation-3: -On 28 July 1914, Austria-Hungary declared war on Serbia. The declaration of war was made after Serbia rejected the terms in an ultimatum sent to them by Austria on July 23, after Archduke Franz Ferdinand, heir to the Austria-Hungary throne, had been assassinated by Serbian student, Gavrilo Princip, in Sarajevo.

Detailed explanation-4: -Telegram of Austria-Hungary‘s declaration of war on Serbia on 28th July 1914. Telegram of Austria-Hungary‘s declaration of war on Serbia on 28th July 1914 marked the beginning of the First World War – one of the world’s most tragic conflicts in the history of human race and initiated the era of unprecedented suffering.