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.
World War 1 started when Archduke Franz Ferdinand of Austria was assassinated on June 28, 1914. This was the immediate cause but there were a series of events which triggered the war. See below for more information and facts about how World War 1 started. Since Britain had agreed to maintain the neutrality of Belgium, they immediately declared war on Germany. 2  British and Germany forces first fought at the Battle of Mons in Belgium. 3  This was the first of many battles between Britain and Germany on the Western Front and is when World War 1 started for Britain.