Palestinian boys rally brandishing burning torches to mark the beginning of the Nakba or the "Day of Catastrophe", in the old city of Nablus on May 14, 2013. Palestinians will mark the 65th Nakba as a day of mourning. The "Day of Catastrophe" refers to the day on May 15, 1948, when the modern state of Israel was established following the Arab-Israeli war, which led to the displacement the Palestinian people.