Palestine, 1948. Refugees return to their village after surrendering in the war against Israel. The conflict forced 85 percent of the Palestinian population living in what became Israel to leave their homes. Their right to return was written into a U.N. resolution that year, but 65 years later this issue has yet to be resolved. AFP/Getty Images

Jordan, 1955. Refugees form a line for food at a camp in Amman. In the aftermath of the 1948 war, many Palestinian refugees relocated to neighboring countries -- Syria, Jordan and Lebanon -- as well as the West Bank and the Gaza Strip. Three Lions/Getty Images

Syria, 1967. A camp administered by the U.N. Relief and Works Agency for homeless Palestinian Arab refugees near Damascus. Hulton/Getty Images

Gaza, 1967. Israeli soldiers interrogate Palestinians in Jabalia refugee camp. The Six Day War created more displacement, leading to the formation of more refugee camps. Terrence Spencer/Time Life Pictures/Getty Images

Lebanon, 1982. Families return to the refugee camps of Sabra and Shatila after a massacre carried out by Christian militiamen left hundreds dead. The killing took place while the Israeli army was stationed around the camps. Alain Mingam/Gamma/Getty Images

Lebanon, 1986. Fighting tied to the Lebanese Civil War in and around the Shatila camp destroyed many homes. Kamel Lamaa/AFP/Getty Images

Ramallah, 1988. Children throw stones at Israeli soldiers in the Amari refugee camp. After they had been stuck in limbo for close to four decades, Palestinians’ anger erupted in open protests in the late 1980s, a movement commonly referred to as the First Intifada. Eric Feferberg/AFP/Getty Images

Ramallah, 1988. A Palestinian mother and elder sister try to stop an Israeli soldier from taking away a Palestinian boy arrested for rock throwing. The First Intifada ended in 1993, when the Oslo peace accords were signed. Esaias Baitel/AFP/Getty Images

West Bank, 1990. Masked Palestinians demonstrate in Tulkarm in the West Bank. The intifada and Israel’s reaction against it led to the Palestinians’ further radicalization. James Lukoski/Getty Images

West Bank, 1993. Palestinians hand in numbered tickets for emergency ration cards from the U.N. Relief and Works Agency. A 1993 U.N. report noted that overpopulation, unemployment and scarcity of water contributed to the worsening economic plight of Palestinians in the occupied territories. Patrick Baz/AFP/Getty Images

West Bank, 2001. A 67-year-old Palestinian man in the Dehaishe refugee camp displays the original key and title deeds to the home his family abandoned when they fled their village in the 1948 war in Israel. For many Palestinians, the keys remain a potent symbol of their exile status. David Silverman/Newsmakers/Getty Images

Gaza, 2002. Palestinian boys climb a fence for a better view of a protest against Israel. As tensions increased, Israel introduced stricter security measures, like fences and border walls, thereby isolating the Palestinians even more. Abid Katib/Getty Images