The First World War - To Arms part 1/6

In early 20th century, Europe was fetid with the smell of rotting empires crumbling under their own weight. When, in August 1914, Archiduke Francis-Ferdinant of Austria was assassinated in Sarajevo it was only the tiny spark to ignite a storm that had been gathering for decades. This is how the First World War started. Part 1 of 6.