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A Palestinian protester argues with Israeli border policemen during a rally to commemorate the 1948 creation of the Israel state known in Arabic as the "Nakba Day", or "Day of the Catastrophe" outside the West Bank town of Bethlehem, Tuesday, May 14, 2013. (AP Photo/Nasser Shiyoukhi)

A Palestinian protester argues with Israeli border policemen during a rally to commemorate the 1948 creation of the Israel state known in Arabic as the "Nakba Day", or "Day of the Catastrophe" outside the West Bank town of Bethlehem, Tuesday, May 14, 2013. (AP Photo/Nasser Shiyoukhi)

Palestinians mark 1948 displacement

Clashes erupted on the West Bank after Palestinians marked the 65th anniversary of "nakba," or "catastrophe" the term they use to describe their defeat and displacement in the war that followed Israel's founding in 1948.