 This control was further consolidated during the wars and conflicts of the 17th century , which witnessed English and Scottish colonisation in the Plantations of Ireland , the Wars of the Three Kingdoms and the Williamite War . Irish losses during the Wars of the Three Kingdoms ( which , in Ireland , included the Irish Confederacy and the Cromwellian conquest of Ireland ) are estimated to include 20 @,@ 000 battlefield casualties . 200 @,@ 000 civilians are estimated to have died as a result of a combination of war @-@ related famine , displacement , guerrilla activity and pestilence over the duration of the war . A further 50 @,@ 000 were sent into indentured servitude in the West Indies . Some historians estimate that as much as half of the pre @-@ war population of Ireland may have died as a result of the conflict . 
 This control was further consolidated during the wars and conflicts of the 17th century , which witnessed English and Scottish colonisation in the Plantations of Ireland , the Wars of the Three Kingdoms and the Williamite War . Irish losses during the Wars of the Three Kingdoms ( which , in Ireland , included the Irish Confederacy and the Cromwellian conquest of Ireland ) are estimated to include 20 @,@ 000 battlefield casualties . 200 @,@ 000 civilians are estimated to <a href='been_done' title='1'><mark>have</mark></a> died as a result of a combination of war @-@ related famine , displacement , guerrilla activity and pestilence over the duration of the war . A further 50 @,@ 000 <a href='uninflect' title='2'><mark>were</mark></a> sent into indentured servitude in the West Indies . Some historians estimate that as much as half of the pre @-@ war population of Ireland may <a href='been_done' title='3'><mark>have</mark></a> died as a result of the conflict . 
Dis control was further consolidated during the wars and conflicts of da 17th century , which witnessed English and Scottish colonisation in tdaPlantations of Ireland , thdaars of the Three Kingdoms and the Williamite War . Irish losses durin thedars of the Three Kingdoms ( which , in Ireland , included the Irish Confederacy and the Cromwellian conquest of Ireland ) are estimated to include 20 @,@ 000 battlefield casualties . 200 @,@ 000 civilians r estimated to done died as a result of a combination of war @-@ related famine , displacement , guerrilla activity and pestilence ova the duration of the war . A further 50 @,@ 000 was sent into indentured servitude in the dat Indies . sum historians estimate dat as much as half of the pre @-@ war population of Ireland may done died as a result of the conflict .