This document provides a timeline of key events related to the conflict in Northern Ireland from 1919 to 2009. It outlines the origins of the partition of Ireland, the civil rights movement in the 1960s, periods of violence and unrest in the late 20th century, peace agreements and ceasefires in the 1990s and 2000s, and the ongoing threat from dissident republican groups in the late 2000s. The timeline traces over 90 years of tensions, conflicts and political developments between nationalists and unionists in Northern Ireland.