Map of Europe in 814
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<p>Europe_plain_rivers.png
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<ul><li>The map is made according to:
<ul><li>"World Atlas", part 3: Europe in Middle Ages, Larrouse, Paris, 2002, O. Renie</li>
<li>Atlas "History of Bulgaria", Sofia, 1988, Bulgarian Academy of Sciences, V. Kamburova</li>
<li>"World Atlas", N. Ostrovski, Rome, 1992, p.55</li>
<li>Атлас "История на средните векове", Sofia, 1982, G. Gavrilov</li>
<li>"History in maps", Johannes Herder, Berlin, 1999, p. 20</li>
<li>"European Historical Globus", R. Rusev, 2006, p.117</li></ul></li></ul>