The Blue Line is a border demarcation between Lebanon and Israel published by the United Nations on 7 June 2001 for the purposes of determining whether Israel had fully withdrawn from Lebanon. The term Green Line is used to refer to the 1949 Armistice lines established between Israel and its neighbours (Egypt, Jordan, Lebanon and Syria) after the 1948 Arab–Israeli War. The Purple Line was the ceasefire line between Israel and Syria after the 1967 Six-Day War.