Yakin Fatimid na Masar a shekara ta 969 miladiyya wani muhimmin lamari ne na tarihi inda Daular Fatimid karkashin Janar Jawhar ta kwace Masar daga daular Ikhshidid.Wannan cin nasara ya faru ne a kan yanayin Khalifancin Abbasiyawa masu rauni da rikice-rikice na cikin gida a cikin Masar, gami da yunwa da gwagwarmayar jagoranci bayan mutuwar Abu al-Misk Kafur a shekara ta 968 AD.Fatimiyyawa, bayan da suka ƙarfafa mulkinsu a Ifriqiya (yanzu Tunisiya da gabashin Aljeriya) tun daga shekara ta 909 miladiyya, sun yi amfani da yanayin ruɗani a Masar.A cikin wannan rashin kwanciyar hankali, jiga-jigan Masarawa na gida sun ƙara fifita mulkin Fatimid don maido da tsari.Halifa Fatimid al-Mu'izz li-Din Allah ya shirya wani gagarumin balaguro, wanda Jawhar ya jagoranta, wanda ya fara a ranar 6 ga Fabrairun 969 Miladiyya.Ziyarar dai ta shiga yankin Delta ne a cikin watan Afrilu, inda ta ci karo da turjiya kadan daga dakarun Ikhshidid.Tabbacin da Jawhar ya yi na kare lafiya da haƙƙin Masarawa ya taimaka wajen mika wuya cikin lumana na babban birnin ƙasar, Fustat, a ranar 6 ga Yulin 969 AZ, wanda ke nuna nasarar kwace Fatimid.Jawhar ya mulki Masar a matsayin mataimakinsa na tsawon shekaru hudu, inda a lokacin ya kakkabe ‘yan tawaye, ya kuma kaddamar da gina Alkahira, sabon babban birnin kasar.Sai dai yakin da ya yi na soji a Siriya da kuma yakar Rumawa bai yi nasara ba, lamarin da ya kai ga halaka sojojin Fatimid da wani hari na Qarmatiya kusa da birnin Alkahira.Halifa al-Mu'izz ya koma kasar Masar ne a shekara ta 973 miladiyya ya kuma kafa birnin Alkahira a matsayin kujerar khalifancin Fatimid, wanda ya dade har zuwa lokacin da Saladin ya kawar da ita a shekara ta 1171 miladiyya.