‘The time of the great debates about the origins of the Great War is over,’ German historian Oliver Janz wrote in 2013; but nothing proved less true. German historian Fritz Fischer had already, in the 1960s, caused a ‘controversy’ by attributing to Germany a ‘substantial’ and even a ‘decisive’ share in the outbreak of the war; but his work was only based on German sources. We had to wait till the early 21st century before academic studies appeared about the Russian (in 2011) a...