History of Ireland during 1917–1918, but the Irish sides (Nationalist, Unionist) were unable to agree to terms for the temporary or permanent exclusion of Ulster from its provisions. The period 1916–1921 was marked by political violence and upheaval, ending in the partition of Ireland and independence for 26 of its 32 counties. A failed militant attempt was made to gain separate independence for Ireland with the 1916 Easter Rising, an insurrection in Dublin. Though support for the insurgents was small, the violence used in its suppression led to a swing in support of the rebels. In addition, the unprecedented threat of Irishmen being
Earl of Drogheda of his brother-in-law, Henry Hamilton, 2nd Earl of Clanbrassil. In a feast of egotism, he built and named Henry Street, Moore Street, Earl Street, Of (or Off) Lane (now Henry Place, and an important escape route for the volunteers fleeing the GPO during the Easter Rising in 1916), and Drogheda Street (part of what is now O'Connell Street). The third Earl was succeeded by his grandson Henry, the fourth Earl. The latter died without surviving children at an early age and was succeeded by his younger brother, Edward, the fifth Earl, who had previously represented Dunleer in the Irish Parliament.