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The Bulgars, at least the Danubian Bulgars, had a well-developed clan and military administrative system of "inner" and "outer" tribes, [109] governed by the ruling clan. [110] They had many titles, and according to Steven Runciman the distinction between titles which represented offices and mere ornamental dignities was somewhat vague. [ 111 ]
First, the scale is logarithmic, so that each unit represents a ten-fold increase in the amplitude of the seismic waves. [12] As the energy of a wave is proportional to A 1.5, where A denotes the amplitude, each unit of magnitude represents a 10 1.5 ≈32-fold increase in the seismic energy (strength) of an earthquake. [13]
The Richter scale [1] (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale". [3]
The early Bulgars were a warlike people and war was part of their everyday life, with every adult Bulgar obliged to fight. The early Bulgars were exclusively horsemen: in their culture, the horse was considered a sacred animal and received special care. The supreme commander was the khan, who mustered the army with the help of the aristocracy.
It is often further specified as the Danube Bulgarian Khanate, or Danube Bulgar Khanate [18] [19] in order to differentiate it from Volga Bulgaria, which emerged from another Bulgar group. From the country's Christianization in 864 and the assumption of the imperial title by its rulers in 913, the country is also referred to as the Principality ...
The origins of the conflict date back to the 7th century, when the Bulgars under Khan Asparukh established a state along the Danube in one of the provinces of the Eastern Roman Empire. As a result, the Bulgarian state fought a series of wars with Byzantium in order to secure its continued existence. [1]
The Battle of Wlndr was fought in 934 between the allied Hungarian-Pecheneg army and an army composing of the forces of the Byzantine Empire and First Bulgarian Empire, somewhere in the territory which belonged to the Bulgarian empire, near a large city called W.l.n.d.r (perhaps Belgrade), by the Arab historian and geographer Al-Masudi.
Old Great Bulgaria (Medieval Greek: Παλαιά Μεγάλη Βουλγαρία, Palaiá Megálē Voulgaría), also often known by the Latin names Magna Bulgaria [5] and Patria Onoguria ("Onogur land"), [6] was a 7th-century Turkic nomadic empire formed by the Onogur-Bulgars on the western Pontic–Caspian steppe (modern southern Ukraine and southwest Russia). [7]