The rule of Bulgarian Khan Krum in war against Byzantine Empire.

So here we have the Bulgarian leva, nominal - 10. The year of issue of this coin is 1930, mint: Stuttgart, Germany. Total circulation – 15.001.000. The coin is dedicated to the Bulgarian Khan Krum.

With the defeat of the Avars by Charlemagne in 805, Krum was able to extend greatly the power of the Pannonian Bulgars. His early offensives against the Byzantines were repulsed, and in the spring of 811 his own capital at Pliska was destroyed. On July 26, 811, however, his army crushed the Byzantines, killed the emperor Nicephorus I, and opened the way for further victories.

Krum besieged Constantinople (now Istanbul, Turkey) in 813 and devastated the surrounding countryside but died during a second siege of the imperial capital the next year.

Krum, was died in April 13, 814. khan of the Bulgars since 802–814 who briefly threatened the security of the Byzantine Empire. His able, energetic rule brought law and order to Bulgaria and developed the rudiments of state organization.