September Uprising

Part of the Revolutions of 1917–23

Leaflet of the Vratsa revolutionary district intended for the soldiers sent to crush the uprising

Date	September 1923
Location	Kingdom of Bulgaria
Result	Government Victory

Belligerents

Bulgarian Communist Party
Bulgarian Agrarian National Union

Anarchists

Bulgarian government

IMRO

Shpitskomandi

Commanders and leaders

Georgi Dimitrov
Vasil Kolarov

Casualties and losses

Over 2,000 civilians

The September Uprising (Bulgarian: Септемврийско въстание, Septemvriysko vastanie) was an armed insurgency staged in September 1923 by the Bulgarian Communist Party (BCP) under Comintern pressure, as an attempt to overthrow Alexander Tsankov's new government of Bulgaria that had come to power with the coup d'état of 9 June. Besides its communist base, the uprising was also supported by agrarians and anarchists. The uprising's goal was the "establishment of a government of workers and peasants" in Bulgaria, not the conversion of the country's socioeconomic system to communism.

The Bulgarian Communist Party leaders took up a neutral position on the 9 June coup d'état and the subsequent June Uprising because it regarded what was happening in the country as "struggle for power between the urban and rural bourgeoisie". This position was provoked by the belief of the party's older leaders, headed by Dimitar Blagoev and Todor Lukanov, that there were no ripe conditions for a revolution in Bulgaria yet.

At the same time, a number of party organizations in the country proclaimed their support for counteraction to the coup d'état, with some even joining the June Uprising. Bulgarian Comintern General Secretary Vasil Kolarov sent a telegram to the BCP (Narrow Socialists) leadership, advising them to "act in determination, even together with Stamboliyski". However, no common BCP measures in support of the June Uprising were taken in the long run.

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