1886 Bulgarian coup d'état
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The Bulgarian coup d'état of 1886, also known as the 9 August coup d'état (Bulgarian: Деветоавгустовски преврат, Devetoavgustovski prevrat) was an attempted dethronement of Knyaz Alexander Battenberg in Principality of Bulgaria, carried out on 9 August 1886. Although unsuccessful, the event led to the abdication of Alexander Battenberg.[1][2]