On 28 June 1914 Bosnian nationalists had assassinated the Archduke Franz Ferdinand. heir to the Austrian throne. and thus unwittingly precipitated the sequence of diplomatic and military preparations which propelled Europe to war. By the end of July the major continental powers had mobilised and by early August Germany was at war with both Russia and France. https://parisnaturalfoodes.shop/product-category/ester-c-600/