The Irish War of Independence, which lasted from 1919 to 1921, was a guerrilla conflict between the Irish Republican Army (IRA) and British forces. This struggle aimed to end British rule in Ireland and led to the Anglo-Irish Treaty, which resulted in the partition of Ireland into Northern Ireland and the Irish Free State. The war was crucial in shaping modern Irish identity and politics, setting the stage for future conflicts and the eventual establishment of the Republic of Ireland.

The Irish War of Independence galvanized a generation of poets, including W.B. Yeats and Patrick Kavanagh, who infused their works with themes of nationalism and the complexities of identity. Their poetry often reflected the tumultuous socio-political landscape, exploring the nuances of revolution and the impact of colonialism on Irish identity.