Nakba commemorations serve as remembrance and a call for justice, self-determination and the right to return. Displaced Palestinian Mustafa Al-Jazzar, 83, who fled his hometown during the 1948 Nakba, sits with his family and grandchildren at a camp for displaced people in Khan Younis in the southern Gaza Strip. [Hasseb Al Wazeer/Reuters] Millions of Palestinians are marking the 78th anniversary of the Nakba – Arabic for “catastrophe” – a term that refers to the mass expulsion and flight of some 750,000 Palestinians from their homes during the 1948 war surrounding the creation of Israel. Friday’s anniversary is the third Nakba commemoration since Israel’s genocidal war on Gaza began, and comes as more than two million people in the besieged enclave remain displaced and confined to a fraction of their territory.…