Mackenzie's Memorials of the Siege of Derry is a historical book that was published in 1861. The author, John Mackenzie, provides a detailed account of the Siege of Derry, which took place in 1689 during the Williamite War in Ireland. The book includes Mackenzie's personal narrative of the events that occurred during the siege, as well as his efforts to vindicate his role in the defense of the city.The Siege of Derry was a significant event in Irish...