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In page Defenestrations of Prague:

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It was then that the party of the Communion under both kinds, fearing for their influence, carried out a violent coup in the Old and New towns and Malá Strana. The Old Town Burgomaster and the dead bodies of seven New Town councilors were defenestrated from the respective town halls.[citation needed] The coup in Prague contributed to the limitation of ruling power and prevented the resumption of pre-Hussite conditions.