It is a timeline of international union milestones.In 2012,The General Assembly accorded non-Member Observer State status to the State of Palestine.In 2013,The Nobel Peace Prize is awarded to the Organisation for the Prohibition of Chemical Weapons (OPCW) for its silent but useful work to contribute to peace in the world. The timeline is usually used in education to help students and researchers understand the historical events or chronological sequence of a subject. When displaying time on an axis at a specific scale, the timeline can be used to visualize events, the time interval between durations. The company also uses a timeline to record its growth. Click for more information.