Portal:Fatimid Caliphate

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Introduction

Evolution of the Fatimid Caliphate

The Fatimid Caliphate or Fatimid Empire (/ˈfætɪmɪd/; Arabic: ٱلْخِلَافَة ٱلْفَاطِمِيَّة, romanized: al-Khilāfa al-Fāṭimiyya) was a caliphate extant from the tenth to the twelfth centuries CE under the rule of the Fatimids, an Isma'ili Shia dynasty. Spanning a large area of North Africa and West Asia, it ranged from the western Mediterranean in the west to the Red Sea in the east. The Fatimids trace their ancestry to the Islamic prophet Muhammad's daughter Fatima and her husband Ali, the first Shia imam. The Fatimids were acknowledged as the rightful imams by different Isma'ili communities as well as by denominations in many other Muslim lands and adjacent regions. Originating during the Abbasid Caliphate, the Fatimids initially conquered Ifriqiya (roughly present-day Tunisia). They extended their rule across the Mediterranean coast and ultimately made Egypt the center of the caliphate. At its height, the caliphate included—in addition to Egypt—varying areas of the Maghreb, Sicily, the Levant, and the Hejaz.

Between 902 and 909, the foundation of the Fatimid state was realized under the leadership of da'i (missionary) Abu Abdallah, whose conquest of Aghlabid Ifriqiya with the help of Kutama forces paved the way for the establishment of the Caliphate. After the conquest, Abdallah al-Mahdi Billah was retrieved from Sijilmasa and then accepted as the Imam of the movement, becoming the first Caliph and founder of the dynasty in 909. In 921, the city of al-Mahdiyya was established as the capital. In 948, they shifted their capital to al-Mansuriyya, near Kairouan. In 969, during the reign of al-Mu'izz, they conquered Egypt, and in 973, the caliphate was moved to the newly founded Fatimid capital of Cairo. Egypt became the political, cultural, and religious centre of the empire and it developed a new and "indigenous Arabic culture". After its initial conquests, the caliphate often allowed a degree of religious tolerance towards non-Shia sects of Islam, as well as to Jews and Christians. However, its leaders made little headway in persuading the Egyptian population to adopt its religious beliefs. (Full article...)

Selected articles

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Abd al-Rahim ibn Ilyas ibn Ahmad ibn al-Mahdi (Arabic: عبد الرحيم ابن إلياس ابن احمد بن المهدي) was a member of the Fatimid dynasty who was named heir-apparent by the caliph al-Hakim bi-Amr Allah in 1013. When al-Hakim was murdered in 1021, he was sidelined in favour of al-Hakim's son, Ali al-Zahir, arrested and imprisoned. He died in captivity, officially by his own hands, or assassinated by the real power behind al-Zahir's throne, the princess Sitt al-Mulk. (Full article...)
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Abūʾl-Maymūn ʿAbd al-Majīd ibn Muḥammad ibn al-Mustanṣir, better known by his regnal name as al-Ḥāfiẓ li-Dīn Allāh (Arabic: الحافظ لدين الله, lit. 'Keeper of God's Religion'), was the eleventh Fatimid caliph, ruling over Egypt from 1132 to his death in 1149, and the 21st imam of Hafizi Isma'ilism.

Al-Hafiz first rose to power as regent after the death of his cousin, al-Amir bi-Ahkam Allah, in October 1130. Al-Amir had only left an infant son, al-Tayyib, as a possible successor, so al-Hafiz—as the oldest surviving member of the dynasty—became regent. Al-Tayyib was apparently sidelined and possibly killed by the new regime, which was in turn overthrown within a few days by the army under Kutayfat. The latter imprisoned al-Hafiz, and moved to depose the Fatimids and replace Isma'ilism with a personal regime, possibly based on Twelver Shi'ism, with himself as the Hidden Imam's all-powerful vicegerent. Kutayfat's regime was toppled when he was murdered by Fatimid loyalists in December 1131, and al-Hafiz was freed and restored as regent. (Full article...)
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Abū al-Qāsim Aḥmad ibn al-Mustanṣir (Arabic: أبو القاسم أحمد بن المستنصر; 15/16 September 1074 – 11/12 December 1101), better known by his regnal name al-Mustaʿlī biʾllāh (المستعلي بالله, lit. 'The One Raised Up by God'), was the ninth Fatimid caliph and the 19th imam of Musta'li Ismailism.

Although not the eldest (and most likely the youngest) of the sons of Caliph al-Mustansir Billah, al-Musta'li became caliph through the machinations of his brother-in-law, the vizier al-Afdal Shahanshah. In response, his oldest brother and most likely candidate for their father's succession, Nizar, rose in revolt in Alexandria but was defeated and executed. This caused a major split in the Isma'ili movement. Many communities, especially in Persia and Iraq, split off from the officially sponsored Isma'ili hierarchy and formed their own Nizari movement, holding Nizar and his descendants as the rightful imams. (Full article...)
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Abu Muhammad al-Hasan al-Yazuri (or al-Husayn) ibn Ali ibn Abd al-Rahman (died 1058) was a vizier of the Fatimid Caliphate, holding office from 1050 to 1058. (Full article...)
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Abu Tahir Isma'il (Arabic: أبو طاهر إسماعيل, romanized: Abū Ṭāhir ʾIsmāʿīl; January 914 – 18 March 953), better known by his regnal name al-Mansur Billah (Arabic: المنصور بالله, romanized: al-Manṣūr biʾllāh, lit. 'The Victor through God'), was the third caliph of the Fatimid Caliphate in Ifriqiya, ruling from 946 until his death. He presided over a period of crisis, having to confront the large-scale Kharijite rebellion of Abu Yazid. He succeeded in suppressing the revolt and restoring the stability of the Fatimid regime. (Full article...)
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Idris Imad al-Din ibn al-Hasan al-Qurashi (Arabic: إدريس عماد الدين بن الحسن القرشي, romanized: ʾIdrīs ʿImād al-Dīn ibn al-Ḥasan al-Qurashī; 1392 – 10 June 1468) was the 19th Da'i al-Mutlaq of Tayyibi Isma'ilis from 1428 to 1468. A major religious and political leader in 15th-century Yemen, as well as a notable theologian, Idris was also an important medieval Isma'ili historian whose work is fundamental for the history of the Fatimid Caliphate and the Isma'ili communities in Yemen. (Full article...)
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Abu'l-Faraj Ya'qub ibn Yusuf ibn Killis (Arabic: يعقوب ابن كلس, romanized: Abu’l-Faraj Yaʿqūb ibn Yūsuf ibn Killis, Hebrew: יעקוב אבן כיליס‎), (930 in Baghdad – 991), commonly known simply by his patronymic surname as Ibn Killis, was a high-ranking official of the Ikhshidids who went on to serve as vizier under the Fatimids from 979 until his death in 991.

Ya'qub ibn Yusuf ibn Killis was born in Baghdad in 930 in a Jewish family. After his family moved to Syria he came to Egypt in 943 and entered the service of the Regent Kafur. As soon as he became the household and property administrator, he was in charge of the Egyptian state's finances. Despite converting to Islam in 967, he was imprisoned by Kafur's successors after losing their favor. He was able however to purchase his freedom and went to Ifriqiya, where he put himself at the service of the Fatimid Caliph al-Mu'izz. (Full article...)
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Abu Tamim Ma'ad al-Mu'izz li-Din Allah (Arabic: أبو تميم معد المعزّ لدين الله, romanized: Abū Tamīm Maʿad al-Muʿizz li-Dīn Allāh, lit. 'Glorifier of the Religion of God'; 26 September 932 – 19 December 975) was the fourth Fatimid caliph and the 14th Ismaili imam, reigning from 953 to 975. It was during his caliphate that the center of power of the Fatimid dynasty was moved from Ifriqiya (modern Tunisia) to Egypt. The Fatimids founded the city of Cairo (al-Qāhirah, "the Victorious") in 969 as the new capital of the Fatimid Caliphate in Egypt. (Full article...)
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Daʿwah (Arabic: دعوة, Arabic: [ˈdæʕwæ], "invitation", also spelt dâvah, daawa, dawah, daawah or dakwah) is the proselytism for Islam. The plural is daʿwāt (دَعْوات) or daʿawāt (دَعَوات). (Full article...)
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Abū Muḥammad ʿAbd Allāh ibn al-Ḥusayn (Arabic: أبو محمد عبد الله بن الحسين; 31 July 874 – 4 March 934), better known by his regnal name al-Mahdī biʾllāh (Arabic: المهدي بالله, "The Rightly Guided by God"), was the founder of the Isma'ili Fatimid Caliphate, the only major Shi'a caliphate in Islamic history, and the eleventh Imam of the Isma'ili branch of Shi'ism.

He was born as Saʿīd ibn al-Ḥusayn (سعيد بن الحسين) in Askar Mukram to a family that led the secret Isma'ili missionary network (da'wa), propagating on behalf of the hidden imam, Muhammad ibn Isma'il, who would return as the prophesied Islamic messiah (mahdi). Orphaned at a young age, he moved to Salamiya, the family's base of operations, where he was adopted by his uncle. In the mid-890s Sa'id succeeded to the leadership of the expanding da'wa, which had expanded and gained adherents across the then Muslim world. However, his claims of not merely being a trustee of the hidden imam, but of him and his ancestors holding the imamate itself, led in 899 to a schism in the Isma'ili movement: those who did not recognize his claims split off to become the Qarmatians. The schism was followed by uprisings of pro-Isma'ili Bedouin in Syria in 902–903, launched without his consent by over-eager supporters, who aimed to force him to come forward as the mahdi. The Bedouin uprising was suppressed by the Abbasids, but drew the attention of the Abbasid Caliphate's authorities to him, forcing him to abandon Salamiya, and flee first to Ramla, then Fustat in Egypt, and finally Sijilmasa in what is now Morocco. There he remained, living as a merchant, until one of his missionaries, Abu Abdallah al-Shi'i, at the head of the Kutama Berbers overthrew the Aghlabid dynasty of Ifriqiya in 909. (Full article...)
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Salah ad-Din Yusuf ibn Ayyub (c. 1137 – 4 March 1193), commonly known as Saladin, was the founder of the Ayyubid dynasty. Hailing from a Kurdish family, he was the first sultan of both Egypt and Syria. An important figure of the Third Crusade, he spearheaded the Muslim military effort against the Crusader states in the Levant. At the height of his power, the Ayyubid realm spanned Egypt, Syria, Upper Mesopotamia, the Hejaz, Yemen, and Nubia.

Alongside his uncle Shirkuh, a Kurdish mercenary commander in service of the Zengid dynasty, Saladin was sent to Fatimid Egypt in 1164, on the orders of the Zengid ruler Nur ad-Din. With their original purpose being to help restore Shawar as the vizier to the teenage Fatimid caliph al-Adid, a power struggle ensued between Shirkuh and Shawar after the latter was reinstated. Saladin, meanwhile, climbed the ranks of the Fatimid government by virtue of his military successes against Crusader assaults as well as his personal closeness to al-Adid. After Shawar was assassinated and Shirkuh died in 1169, al-Adid appointed Saladin as vizier. During his tenure, Saladin, a Sunni Muslim, began to undermine the Fatimid establishment; following al-Adid's death in 1171, he abolished the Cairo-based Isma'ili Shia Muslim Fatimid Caliphate and realigned Egypt with the Baghdad-based Sunni Abbasid Caliphate. (Full article...)
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ʿAlī ibn al-Faḍl al-Jayshānī (Arabic: علي بن الفضل الجيشاني) was a senior Isma'ili missionary (dāʿī) from Yemen. In cooperation with Ibn Hawshab, he established the Isma'ili creed in his home country and conquered much of it in the 890s and 900s in the name of the hidden Isma'ili imam, Abdallah al-Mahdi Billah. After the establishment of the Fatimid Caliphate in Ifriqiya in 909, and the public proclamation of al-Mahdi Billah as caliph, Ibn al-Fadl denounced al-Mahdi as false, and instead declared himself to be the awaited messiah (mahdī). His erstwhile colleague, Ibn Hawshab, refused to follow him, so Ibn al-Fadl turned against him and forced him to capitulate. Ibn al-Fadl's dominion collapsed swiftly after his death in October 915. In January 917, his stronghold of Mudhaykhira was seized by the Yu'firids, his children captured, and his two sons executed. (Full article...)
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The siege of Ascalon took place from 25 January to 22 August 1153, in the time period between the Second and Third Crusades, and resulted in the capture of the Fatimid Egyptian fortress by the Kingdom of Jerusalem. Ascalon was an important castle that was used by the Fatimids to launch raids into the Crusader kingdom's territory, and by 1153 it was the last coastal city in Palestine that was not controlled by the Crusaders.

The siege lasted for several months without much progress, despite the usage of siege engines and catapults by the Crusader army. On 16 August, the Fatimids set fire to the siege tower, but the wind blew the flames back at the castle wall and caused part of it to collapse. A group of Knights Templar entered the breach, led by their Grand Master, Bernard de Tremelay. The other Crusaders did not follow them into the city and all forty Templars were killed. Three days later, a larger attack was launched by the Crusaders and the city surrendered after more fighting. Its inhabitants were given three days to leave Ascalon before the Crusaders formally took it over on 22 August 1153. (Full article...)
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Sayf al-Dawla Khalaf ibn Mulāʿib al-Ashhabī al-Kilābī (Arabic: سيف الدولة خلف بن ملاعب الأشهبي الكلابي; died 3 February 1106) was the emir of Homs and Apamea between 1082 and 1090. He later seized Apamea again in 490 A.H./1096 from Ridwan and held the city, under the suzerainty of the Fatimid Caliphate, until his assassination by the Assassins. (Full article...)
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Abu'l-Hasan Ali ibn Muhammad al-Iyadi al-Tunisi (Arabic: علي بن محمد الإيادي, romanized: ʿAlī ibn Muḥammad al-Iyādī; died 976) was a 10th-century Maghrebi Arabic poet in the service of the Fatimid caliphs al-Qa'im, al-Mansur, and al-Mu'izz.

His exact origin is unknown. The nisba "al-Tunisi" has led to suggestions that he was born in Tunis, but his other nisba of "al-Iyadi" suggests ties to the Iyad, a clan of the Arab Banu Hilal tribe settled near Msila. Pro-Shi'ite, he was court poet of the Isma'ili Shi'a caliphs al-Qa'im, al-Mansur, and al-Mu'izz. His reputation during his lifetime was considerable, and he was highly regarded by later critics. However, possibly due to his pro-Shi'a partisanship, which may have led to an attempted damnatio memoriae after the Zirid dynasty turned to Sunni Islam, or due to shifting literary tastes, none of his works survives in complete form. His work survives mostly in fragments that were appreciated and gathered together by later anthologists for their vivid and evocative language, such as descriptions of the Fatimid navy, a galloping horse, or the so-called Lake Palace in the palace city of Mansuriya. The only evidently pro-Shi'a works surviving are a eulogy for al-Mansur, and a moving description of the end of the famous anti-Fatimid rebel Abu Yazid. Al-Iyadi died in 976, probably in Cairo, where he had followed the Fatimid court following the Fatimid conquest of Egypt in 969. (Full article...)
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Shawar ibn Mujir al-Sa'di (Arabic: شاور بن مجير السعدي, romanized: Shāwar ibn Mujīr al-Saʿdī; died 18 January 1169) was an Arab de facto ruler of Fatimid Egypt, as its vizier, from December 1162 until his assassination in 1169 by the general Shirkuh, the uncle of the future Ayyubid leader Saladin, with whom he was engaged in a three-way power struggle against the Crusader Amalric I of Jerusalem. Shawar was notorious for continually switching alliances, allying first with one side, and then the other, and even ordering the burning of his own capital city, Fustat, just so that the enemy could not have it. (Full article...)
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Abū Ḥanīfa al-Nuʿmān ibn Muḥammad ibn Manṣūr ibn Aḥmad ibn Ḥayyūn al-Tamīmiyy (Arabic: النعمان بن محمد بن منصور بن أحمد بن حيون التميمي, generally known as al-Qāḍī al-Nu‘mān (القاضي النعمان) or as ibn Ḥayyūn (ابن حيون) (died 974 CE/363 AH) was an Isma'ili jurist and the official historian of the Fatimid Caliphate. He was also called Qāḍī al-Quḍāt (قَاضِي القضاة) "Jurist of the Jurists" and Dāʻī al-Duʻāt (داعي الدعاة) "Missionary of Missionaries". (Full article...)
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Abu'l-Najm Badr ibn Abdallah al-Jamali al-Mustansiri, better known as Badr al-Jamali (Arabic: بدر الجمالى) or by his eventual title as Amir al-Juyush (أمير الجيوش, lit. 'Commander of the Armies'), was a military commander and statesman for the Fatimid Caliphate under Caliph al-Mustansir. Of Armenian origin but a convert to Islam, Badr had been brought up as a military slave (mamluk) by the ruler of Tripoli, Jamal al-Dawla ibn Ammar. In the 1060s, he was appointed twice as governor of Damascus in Syria, at a time when Fatimid authority there was disintegrating, and the central government in Egypt was on the verge of collapse as a result of the Mustansirite Hardship. Badr was unable to prevent the loss of most of Syria to local potentates and Turkoman warlords, but managed to hold on to the coastal cities, making Acre his base.

As the sole major military commander outside Egypt, he was called upon by al-Mustansir to help rescue the dynasty. Badr landed in Egypt in late 1073, rapidly eliminated his rivals, and was appointed vizier with plenipotentiary powers, making him a quasi-sultan or military dictator, with the caliph relegated to his religious duties as Isma'ili imam. Control over the state was solidified with the marriage of one of his daughters to al-Mustansir, and the appointment of his own son, al-Afdal Shahanshah, as his successor in 1085. Badr managed to restore order in Egypt and initiated major administrative reforms, defeated Turkoman attempts to invade Egypt, and recovered control over Palestine and the Hejaz. He initiated a series of new constructions, including the Juyushi Mosque and the new city wall of Cairo, some of whose gates stand to this day. Badr's renure saved the Fatimid regime, but also began a period where the vizierate was dominated by military strongmen who held power on their own, rather than through caliphal appointment, and who increasingly sidelined the caliphs to puppet rulers. Badr also initiated a wave of Armenian migration into Egypt, and was the first of a series of viziers of Armenian origin, who played a major role in the fortunes of the Fatimid Caliphate over the subsequent century. (Full article...)
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Abū'l-Futūh Barjawān al-Ustādh (عَبْدُ الْفُتُوحِ بَرْجَوَانِ الْأُسْتَاذِ; died 25/26 March 1000) was a eunuch palace official who became the prime minister (wāsiṭa) and de facto regent of the Shia Fatimid Caliphate in October 997, and held the position until his assassination. Of obscure origin, Barjawan became the tutor of heir-apparent al-Hakim bi-Amr Allah, who became caliph in 996 with the death of al-Aziz Billah. On al-Hakim's coronation, power was seized by the Kutama Berbers, who tried to monopolize government and clashed with their rivals, the Turkic slave-soldiers. Allied with disaffected Berber leaders, Barjawan was able to seize the reins of government for himself in 997. His tenure was marked by a successful balancing act between the Berbers and the Turks, as well as the rise of men of diverse backgrounds, promoted under his patronage. Militarily, Barjawan was successful in restoring order to the Fatimids' restive Levantine and Libyan provinces, and set the stage for an enduring truce with the Byzantine Empire. The concentration of power in his hands and his overbearing attitude alienated al-Hakim, however, who ordered him assassinated and thereafter assumed the governance of the caliphate himself. (Full article...)
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Musta'li Isma'ilism (Arabic: المستعلية, romanized: al-Mustaʿliyya) is a branch of Isma'ilism named for their acceptance of al-Musta'li as the legitimate ninth Fatimid caliph and legitimate successor to his father, al-Mustansir Billah (r. 1036–1094/1095). In contrast, the Nizari—the other living branch of Ismailism, presently led by Aga Khan IV—believe the ninth caliph was al-Musta'li's elder brother, Nizar.

The Musta'li originated in Fatimid-ruled Egypt, later moved its religious center to Yemen, and gained a foothold in 11th-century Western India through missionaries. (Full article...)
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The First Crusade (1096–1099) was the first of a series of religious wars, or Crusades, initiated, supported and at times directed by the Latin Church in the Middle Ages. The objective was the recovery of the Holy Land from Islamic rule. While Jerusalem had been under Muslim rule for hundreds of years, by the 11th century the Seljuk takeover of the region threatened local Christian populations, pilgrimages from the West, and the Byzantine Empire itself. The earliest initiative for the First Crusade began in 1095 when Byzantine emperor Alexios I Komnenos requested military support from the Council of Piacenza in the empire's conflict with the Seljuk-led Turks. This was followed later in the year by the Council of Clermont, during which Pope Urban II supported the Byzantine request for military assistance and also urged faithful Christians to undertake an armed pilgrimage to Jerusalem.

This call was met with an enthusiastic popular response across all social classes in western Europe. Mobs of predominantly poor Christians numbering in the thousands, led by Peter the Hermit, a French priest, were the first to respond. What has become known as the People's Crusade passed through Germany and indulged in wide-ranging anti-Jewish activities, including the Rhineland massacres. On leaving Byzantine-controlled territory in Anatolia, they were annihilated in a Turkish ambush led by the Seljuk Kilij Arslan I at the Battle of Civetot in October 1096. (Full article...)
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Al-Qaid Jawhar ibn Abdallah (Arabic: جوهر بن عبد الله, romanized: Jawhar ibn ʿAbd Allāh, better known as Jawhar al Siqilli, al-Qaid al-Siqilli, "The Sicilian General", or al-Saqlabi, "The Slav"; born in the Byzantine empire and died 28 April 992) was a Shia Muslim Fatimid general who led the conquest of Maghreb, and subsequently the conquest of Egypt, for the 4th Fatimid Imam-Caliph al-Mu'izz li-Din Allah. He served as viceroy of Egypt until al-Mu'izz's arrival in 973, consolidating Fatimid control over the country and laying the foundations for the city of Cairo. After that, he retired from public life until his death.

He is variously known with the nisbas al-Siqilli (Arabic: الصقلي, romanized: al-Ṣiqillī, lit. 'The Sicilian'), al-Saqlabi (Arabic: الصقلبي, lit. The Slav), al-Rumi (Arabic: الرومي, romanized: al-Rūmī, lit. 'the Roman'); and with the titles al-Katib (Arabic: الكَاتِب, romanized: al-Kātib, lit. 'the Secretary') and al-Qa'id (Arabic: القائد, romanized: al-Qāʾid, lit. 'the General'). (Full article...)
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Tala'i ibn Ruzzik (Arabic: طلائع ﺑﻦ ﺭﺯﻳﻚ, romanized: Ṭalāʾīʿ ibn Ruzzīk, with his full titles and surnames Abū'l-Gharāt Fāris al-Muslimīn al-Malik al-Ṣāliḥ Ṭalāʾīʿ ibn Ruzzīk al-Ghassānī al-Armanī) was a military commander and official of the Fatimid Caliphate, serving as its vizier from 1154 until his assassination in 1161, when he was succeeded by his son, Ruzzik ibn Tala'i. He is generally acknowledged as the last of the powerful and capable viziers of the Fatimid state. During his tenure the Fatimid Caliphate regained a measure of stability, and was once again able to project its power abroad and pursue its political interests in the Eastern Mediterranean. (Full article...)
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Asad ad-Dīn Shīrkūh bin Shādhī (Kurdish: ئەسەدەدین شێرکۆ, romanized: Esed El-Dîn Şêrko; Arabic: أسد الدين شيركوه بن شاذي), also known as Shirkuh, or Şêrko (meaning "lion of the mountains" in Kurdish) (died 22 February 1169) was a Kurdish Mercenary commander in service of the Zengid dynasty, then the Fatimid Caliphate and uncle of Saladin. His military and diplomatic efforts in Egypt were a key factor in establishing the Ayyubid dynasty in that country. (Full article...)
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Abu Abdallah al-Husayn ibn Ahmad ibn Muhammad ibn Zakariyya, better known as Abu Abdallah al-Shi'i (Arabic: ابو عبد الله الشيعي, romanized: Abū ʿAbd Allāh ash-Shīʿī), was an Isma'ili missionary (dāʿī) active in Yemen and North Africa. He was successful in converting and unifying a large part of the Kutama Berber tribe, leading them on the conquest of Ifriqiya from 902 to 909 and the overthrowing of the Aghlabid dynasty. This ultimately led to the establishment of the Fatimid Caliphate in Ifriqiya under the Imam–caliph Abdullah al-Mahdi Billah. However, Abdullah al-Mahdi Billah quickly fell out with Abu Abdallah and had Abu Abdallah executed on 18 February 911. (Full article...)

Did you know...

... that Abd al-Rahim ibn Ilyas, heir apparent of the Fatimid Caliphate, was arrested after the caliph's death and died in captivity under unclear circumstances?
... that medieval Muslim historians blamed al-Amir bi-Ahkam Allah for the loss of much of Palestine to the crusaders but, in reality, he played no role in the Fatimid government during that period?
... that Da'ud, the heir apparent of the last Fatimid caliph, spent almost his entire life imprisoned by the succeeding Ayyubid dynasty?
... that the Fatimid boy caliph al-Fa'iz bi-Nasr Allah was raised to the throne by the vizier, who had killed his father and uncles?

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If you are interested in reading more about the Fatimid caliphate, some up-to-date summary books and encyclopedia articles are:

Brett, Michael (2017). The Fatimid Empire. The Edinburgh History of the Islamic Empires. Edinburgh: Edinburgh University Press. ISBN 978-0-7486-4076-8.
Daftary, Farhad (1999). "Fatimids". In Yarshater, Ehsan (ed.). Encyclopædia Iranica, Volume IX/4: Fārs II–Fauna III. London and New York: Routledge & Kegan Paul. pp. 423–426. ISBN 978-0-933273-32-0.
Halm, Heinz (2014). "Fāṭimids". In Fleet, Kate; Krämer, Gudrun; Matringe, Denis; Nawas, John; Rowson, Everett (eds.). Encyclopaedia of Islam (3rd ed.). Brill Online. ISSN 1873-9830.
Sanders, Paula (1998). "The Fāṭimid state, 969–1171". In Petry, Carl F. (ed.). The Cambridge History of Egypt, Volume 1: Islamic Egypt, 640–1517. Cambridge: Cambridge University Press. pp. 151–174. ISBN 0-521-47137-0.
Walker, Paul E. (1998). "The Ismā'īlī Da'wa and the Fātimid caliphate". In Petry, Carl F. (ed.). The Cambridge History of Egypt, Volume 1: Islamic Egypt, 640–1517. Cambridge: Cambridge University Press. pp. 120–150. ISBN 0-521-47137-0.
Walker, Paul E. (2018). "Fāṭimids". In Madelung, Wilferd; Daftary, Farhad (eds.). Encyclopaedia Islamica Online. Brill Online. ISSN 1875-9831.

Selected images

Image 1Entrance portal of the Great Mosque of Mahdia (10th century) (from Fatimid Caliphate)
Image 2Image of two standing soldiers. 11th century, Fatimid period, from Fustat near Cairo. Museum of Islamic Art, Cairo, inv. no. 13703. Attribution to the Fatimid period is sometimes questioned. (from Fatimid Caliphate)
Image 3Al-Juyushi Mosque, Cairo, overlooking the city from the Muqattam Hills (from Fatimid Caliphate)
Image 4Lustreware Plate with Bird Motif, 11th century. Archaeological digs have found many kilns and ceramic fragments in al-Fustat, and it was likely an important production location for Islamic ceramics during the Fatimid period. (from Fatimid Caliphate)
Image 5Fragments of mosaic pavement from the palace of al-Qa'im in al-Mahdiyya (Mahdia), on display at the Mahdia Museum (from Fatimid Caliphate)
Image 6Fatimid horseman on a plate, 12th century CE. (from Fatimid Caliphate)
Image 7Architectural fragment from a bathhouse in al-Fustat, 11th century CE (pre-1168 CE). Museum of Islamic Art, Cairo, 12880. (from Fatimid Caliphate)
Image 8Fatimid ewer, 10th century CE (from Fatimid Caliphate)
Image 9Bab al-Futuh, one of the gates of Cairo dating from Badr al-Jamali's reconstruction of the city walls (1987) (from Fatimid Caliphate)
Image 10Fatimid Caliph al-Mahdi Billah receiving an envoy from Simeon I of Bulgaria, Madrid Skylitzes, 12th century. (from Fatimid Caliphate)
Image 11Cover page of the Leningrad Codex, a manuscript of the Hebrew Bible copied in Cairo/Fustat in the early 11th century (from Fatimid Caliphate)
Image 12The Al-Hakim Mosque in Cairo, commissioned by al-Aziz in 990 and completed by al-Hakim in 1013 (later renovated in the 1980s by the Dawoodi Bohra) (from Fatimid Caliphate)
Image 13Map of Abu Abdallah's campaigns and battles during the overthrow of the Aghlabids (from Fatimid Caliphate)
Image 14Side chapel in the Hanging Church in Old Cairo, including frescoes (partly visible behind the screen here) dating from the late 12th or 13th century, before the church's later renovation (from Fatimid Caliphate)
Image 15The original Fatimid-period mihrab inside the al-Azhar Mosque (from Fatimid Caliphate)
Image 16Al-Azhar Mosque in Cairo, built by the Fatimids between 970 and 972 (from Fatimid Caliphate)
Image 17Fatimid gold dinar minted during the reign of al-Mustansir Billah (1036–1094) (from Fatimid Caliphate)
Image 18Men hunting, on ivory panel, 11th century (from Fatimid Caliphate)
Image 19Al-Salih Tala'i Mosque in Cairo, built by Tala'i ibn Ruzzik in 1160 and originally intended to house the head of Husayn (the head ended up being interred instead at the present-day al-Hussein Mosque) (from Fatimid Caliphate)