The Siege of Derry Lifted 1689

#OnThisDay 1689 The Siege of Derry ended when the Royal Navy ship ‘Mountjoy’ broke the boom across the River Foyle and was able to unload food & supplies to the city. The siege lasted 105 days. Knowing the siege had failed, the Jacobites left on August 1.

Breaking the Boom - Relief of Derry, 1689

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