Ka cika wannan jumla: Gaza ta fuskanci girgizar ƙasa mai halakarwa a shekara ta 1903 da 1914. A shekara ta 1917, a lokacin Yaƙin Duniya na ɗaya, sojojin Biritaniya
kama birnin. Gaza ta girma sosai a farkon rabin karni na 20 a ƙarƙashin Dokar Wajibi. Yawan jama'ar birnin ya karu sakamakon ƙauracewar Falasdinawa a lokacin Yaƙin Larabawa da Isra'ila na 1948. Gaza ta kasance karkashin mulkin Masar har sai da Isra'ila ta mamaye ta a lokacin Yakin Kwanaki shida na 1967. Gaza ta zama cibiyar harkokin siyasa a lokacin Intifada na Farko, kuma a karkashin Yarjejeniyar Oslo ta 1993, an sanya shi a ƙarƙashin ikon kai tsaye na sabuwar Hukumar Falasdinawa. Isra'ila ta janye daga Gaza a shekara ta 2005. A shekara ta 2007, Hamas ta fito a matsayin mai nasara a zaben Palasdinawa da kuma fadace-fadace da abokin hamayyarta Fatah a cikin birni da kuma a cikin Yankin Gaza kuma tun daga wannan lokacin ta kasance ita ce kawai ikon mulki. Daga baya Isra'ila ta kewaye yankin kuma ta kaddamar da hare-hare a kanta a 2008-2009, 2012 da 2014, a matsayin martani ga hare-haren roka.