Internal Macedonian Revolutionary Organization
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The Internal Macedonian Revolutionary Organization, was a secret revolutionary society founded in the Ottoman territories in Europe, that operated in the late 19th and early 20th centuries. Wikipedia
Founders: Dame Gruev, Hristo Tatarchev, Petar Poparsov, and more
Founded: 1893
Allies: Kingdom of Bulgaria
Battles and wars: Macedonian Struggle > Ilinden Uprising > Battle of Mečkin Kamen; Battle of Sliva; Battle of Smilevo;
Dissolved: 14 June 1934
Group(s): BPMARO, MFO, ITRO, Ilinden; BSRB, IMRO (U), MSRC, SMAC, IDRO, Boatmen of Thessaloniki