Battle of the Rishki Pass

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Battle of the Rishki Pass took place in the pass of the same name, in Stara Planina, Bulgaria in 759. It was fought between the Bulgarian Empire and the Byzantine Empire. The result was a Bulgarian victory. Between 755 and 775, the Byzantine emperor Constantine V organised nine campaigns to eliminate Bulgaria and although he managed to defeat the Bulgarians several times, he never achieved his goal.