In 1061, Abu Bakr ibn Umar made a division of the power he had established, handing over the more-settled parts to his cousin Yusuf ibn Tashfin, as viceroy, resigning to him also his favourite wife Zainab.

Yusuf ibn Tashfin had in the meantime brought what is now known as Morocco, Western Sahara and Mauretania into complete subjection.

In 1086 Yusuf ibn Tashfin was invited by the taifa Muslim princes of the Iberian Peninsula ( Al-Andalus ) to defend their territories from Alfonso VI, King of León and Castile.

In that year, Yusuf ibn Tashfin crossed the straits to Algeciras, and defeated Castile at the Battle of az-Zallaqah ( Battle of Sagrajas ).

After friendly correspondence with the caliph at Baghdad, whom he acknowledged as Amir al-Mu ' minin (" Commander of the Faithful "), Yusuf ibn Tashfin in 1097 assumed the title of Amir al Muslimin (" Commander of the Muslims ").

Three years afterwards, under Yusuf's son and successor, Ali ibn Yusuf, Sintra and Santarém were added, and Iberia was again invaded in 1119 and 1121, but the tide had turned, the French having assisted the Aragonese to recover Zaragoza.

In 1138, Ali ibn Yusuf was defeated by Alfonso VII of León, and in the Battle of Ourique ( 1139 ), by Afonso I of Portugal, who thereby won his crown.

According to some scholars Ali ibn Yusuf was a new generation of leadership that had forgot the desert life for the comforts of the city.

* Ali ibn Yusuf ( 1106 – 43 )

Muwaffaq al-Din Muhammad ' Abd al-Latif ibn Yusuf al-Baghdadi (; 1162 – 1231 ), more commonly known as ' Abd al-Latif al-Baghdadi or ' Abdallatif al-Baghdadi (), born in Baghdad, Iraq, was a celebrated physician, historian, Egyptologist and traveller, and one of the most voluminous writers of the Near East in his time.

At that moment, the nominal ruler of al-Andalus, emir Yusuf ibn ' Abd al-Rahman al-Fihri ( another member of the Fihrid family, and a favorite of the old Arab settlers ( baladiyun ), mostly of south Arabian or ' Yemenite ' tribal stock ) was locked in a contest with his vizier ( and son-in-law ) al-Sumayl ibn Hatim al-Qilabi, the head of the new settlers ( shamiyum, the Syrian junds or military regiments, mostly of north Arabian Qaysid tribes, which had arrived only in 742 ).

Bedr managed to line up three Syrian commanders – Obeid Allah ibn Uthman and Abd Allah ibn Khalid, both originally of Damascus, and Yusuf ibn Bukht of Qinnasrin.

Exiled from the court of the Spanish Emperor Alfonso VI of León and Castile, El Cid went on to command a Moorish force consisting of Muladis, Berbers, Arabs and Malians, under Yusuf al-Mu ' taman ibn Hud, Moorish king of the northeast Al-Andalus city of Zaragoza, and his successor, Al-Mustein II.

Andalusian Knights found El Cid their foe ill, thirsty and exiled from the court of Alfonso, he was presented before the elderly Yusuf al-Mu ' taman ibn Hud and accepted command of the forces of the Taifa of Zaragoza as their Master.

In 1081, El Cid, went on to offer his services to the Moorish king of the northeast Al-Andalus city of Zaragoza, Yusuf al-Mu ' taman ibn Hud, and served both him and his successor, Al-Mustain II.

The Almoravids, Berber residents of present-day North Africa, led by Yusuf ibn Tashfin, were asked to help defend the divided Moors from Alfonso.

* 1139 – Battle of Ourique: The Almoravids, led by Ali ibn Yusuf, are defeated by Prince Afonso Henriques.

* Abu Yusuf Ya ' qub ibn Ishaq al-Kindi

* 1108 – Battle of Uclés: Almoravid troops under the command of Tamim ibn Yusuf defeat a Castile and León alliance under the command of Prince Sancho Alfónsez.

* 1086 – At the Battle of az-Zallaqah, the army of Yusuf ibn Tashfin defeats the forces of Castilian King Alfonso VI.

* Yusuf ibn Tashfin, Almoravid ruler of North Africa and Spain

* Yusuf ibn Tashfin, Berber Almoravid ruler

* Yusuf ben Tashfin succeeds to the throne of Morocco, following the Almoravid conquest.

The Almoravid emir, Yusuf ibn Tashfin besieges Ceuta.

* The Almoravid emir, Yusuf ibn Tashfin, conquers Tanger, Badis and Hunayn.

Yusuf ibn Tashfin besieges Aledo but is forced to retreat by the arrival on the scene of the troops of King Alfonso of Leon and Castile.

* August – The troops of the Almoravid ruler, Yusuf ibn Tashfin, besiege Valencia, which is defended by Jimena Díaz, widow of El Cid.

Córdoba, Seville, Grenada, Málaga, Almería and Ronda fall to the troops of Yusuf ibn Tashfin.

Valencia is captured by the Almoravids under Yusuf ibn Tashfin.

* The Almoravid emir, Yusuf ibn Tashfin, sends a maritime expedition to Palestine from Sevilla to ward off the Crusaders and maybe to reconquer Jerusalem.

* Yusuf ibn Tashfin, ruler of Spain and North Africa

When Alfonso took Toledo in 1085, Abbad called in Yusuf ibn Tashfin, the Berber Almoravid ruler.

The Almoravids, Berber residents of present-day North Africa, led by Yusuf ibn Tashfin, were asked to help defend the divided Moors from Alfonso.

As they were passing by Játiva they were met by an Almoravid force under the command of Mohammed, the nephew of Almoravid leader Yusuf ibn Tashfin, and the commander whom Rodrigo had defeated at the Battle of Cuarte in 1095.

In 1099, the people of Granada, by order of the Almoravid Emir, Yusuf ibn Tashfin, acting on the advice of his Ulema, symbolically destroyed the main Mozarab church of the Christian community.

The first results of his extensive studies in Oriental literature, Arabic language and history, manifested themselves in 1847, when he published a translation from Abdelwahid al-Marrakushi, born 1185, resident in South Spain between 1208 and 1217, leaving then for Egypt and visiting Mecca in 1221, dated 1224, Kitab al-mujib fi talkhis akhbar ahl al-Maghrib under the title The history of the Almohads, preceded by a sketch of the history of Spain from the time of the conquest till the reign of Yusuf ibn Tashfin, and of the history of the Almoravids, printed again in 1881 and reprinted in 1968.

Even under the Almoravids, some Jews prospered ( although far more so under Ali III, than under his father Yusuf ibn Tashfin ).

* c. 2300 BC: Canal Bahr Yusuf ( current name ) is created when the waterway from the Nile to the natural lake ( now Lake Moeris ) is widened and deepened to create a canal.

James J. Yee ( Chinese: 余百康 or 余优素福, also known by the Arabic name Yusuf Yee ) ( born c. 1968 ) is an American former United States Army chaplain with the rank of captain.

The emir sent the Huesca native, general Amrus ibn Yusuf, and Zaragoza and Huesca were retaken ( c. 801 ).

General Amrus ibn Yusuf ( born in Huesca ), sent by the Amir, conquered Zaragoza and Huesca ( c. 801 ).

John Ward or Birdy ( c. 1553 – 1622 ), also known as Jack Ward and under his Muslim name Yusuf Reis, was a notorious English pirate around the turn of the 17th century who later became a Barbary Corsair operating out of Tunis during the early 17th century.

Muzaffar al-Din Jahan Shah ibn Yusuf ( died 1467 ) ()‎ was the leader of the Kara Koyunlu Turkmen tribal federation in Azerbaijan and Arran who reigned c. 1438-1467.

Abu Yusuf Ya ' qub al-Mansur ( Abū Yūsuf Ya ‘ qūb al-Manṣūr ) ( c. 1160 – January 23, 1199 ), also known as Moulay Yacoub, was the third Almohad Caliph.

Yusuf ibn Tashfin also, Tashafin, or Teshufin ; or Yusuf ; ( Full name: Yûsuf bnu Tâšfîn Nâçereddîn bnu Tâlâkâkîn as-Sanhâjî, ; reigned c. 1061-1106 ) was a king of the Almoravid empire.