Bulgarian–Ottoman wars

The Bulgarian–Ottoman wars were a series of conflicts between Bulgarian states and the Ottoman Empire, culminating in the Ottoman conquest of the Second Bulgarian Empire in the late 14th century.

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Ottoman conquest of the Balkans: The Ottoman Empire’s expansion across southeastern Europe from the 14th through the 16th centuries. The Bulgarian campaigns formed a major early stage of Ottoman expansion into Europe.
Second Bulgarian Empire: A Bulgarian state that existed from 1185 until its conquest by the Ottoman Empire in the late 14th century. It was the principal Bulgarian state opposing Ottoman expansion during the wars.
Ivan Asen II: A Bulgarian emperor who ruled from 1218 to 1241, when the Second Bulgarian Empire reached great power. His earlier period of strength contrasts with the political divisions facing Bulgaria during the Ottoman wars.
Ottoman Bulgaria: The Bulgarian lands under Ottoman rule from their conquest in the late 14th century until the 19th century. It was the political order that followed the defeat of the Bulgarian states.
Battle of Maritsa: A 1371 battle in which Ottoman forces defeated a Serbian-led army near the Maritsa River. Its outcome weakened regional resistance and opened the way for Ottoman pressure on Bulgarian lands.
Ivan Alexander of Bulgaria: A Bulgarian ruler who reigned from 1331 to 1371 over the Second Bulgarian Empire. His reign saw the empire’s political fragmentation before the Ottoman conquest.
Murad I: An Ottoman sultan who ruled from 1362 to 1389 and expanded Ottoman power into the Balkans. His reign brought sustained Ottoman military pressure against Bulgarian and neighboring states.
Fall of Tarnovo: The Ottoman capture of Tarnovo in 1393, ending the capital’s role as the center of Bulgarian imperial rule. The city’s loss marked a decisive break in the wars’ political history.
Battle of Kosovo: A 1389 battle between Ottoman forces and a Balkan coalition led by Serbian prince Lazar. It belongs to the same regional struggle that constrained Bulgarian resistance.
Ivan Shishman of Bulgaria: The last emperor of Tarnovo Bulgaria, ruling from 1371 until the Ottoman capture of Tarnovo in 1393. His reign coincided with the decisive phase of Ottoman campaigns against the empire.