Mohenjodaro. Since the first discovery of this civilization in 1920-21 at Harappa in the Indus Valley, hundreds of sites spread over more than a million square kilometres in the Indian subcontinent have been excavated, many of these are in Northern and Western India.
The immediate cause for World War 1 was the assassination of the Archduke Franz Ferdinand of Austria and his pregnant wife Sophie. Archduke Franz Ferdinand of Austria was the nephew of Emperor Franz Josef and heir to the throne of Austria and Hungary.
Causes of the war. There was no single event that caused World War One (WWI). War happened because of several different events that took place in the years building up to 1914. Firstly, there was the role of empire.Great Britain, Germany, Austria-Hungary and Russia all had empires. This meant that they ruled many countries all over the world.owever, the trigger for the beginning of WWI occurred on 28 June 1914. Archduke Franz Ferdinand, the heir to the throne of Austria-Hungary, was shot while he was visiting Sarajevo in Bosnia. He was killed by a Serbian person, who thought that Serbia should control Bosnia instead of Austria.