Spanish Revolution of 1854

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The Spanish Revolution of 1854, also known by the name Vicalvarada, started with a confrontation between rebel troops under General Leopoldo O'Donnell, 1st Duke of Tetuan and government troops near the village of Vicálvaro.

This incident was followed by a military coup and a popular uprising, which occurred between 28 June and 28 July 1854, during the reign of Isabella II of Spain.

The Spanish Revolution ended the moderate decade (década moderada) (1844-1854) and started the progressive biennium (bienio progresista) (1854-1856).