The Irish Volunteers was a military organization established in 1913 to promote the rights of Irish nationalists and to resist British rule. Formed primarily by Irish nationalists, it played a significant role in the political landscape leading up to the Easter Rising of 1916, which sought to establish an independent Irish Republic. The Volunteers represented a shift towards militarism within the nationalist movement and highlighted the tensions surrounding issues of sovereignty and identity during a tumultuous time in Ireland's history.