Philip I of Castile vs Shushan Tigin

Philip I of Castile married Joanna of Castile, the daughter of Ferdinand II of Aragon and Isabella I of Castile. This marriage was part of a double alliance between Spain and the Habsburgs, strengthening ties between the two dynasties and eventually bringing the Spanish throne to the Habsburg family.

Upon the death of Isabella I of Castile, Philip I and Joanna became the nominal rulers of Castile. However, Ferdinand II of Aragon disputed their claim, leading to a power struggle. Philip traveled to Castile to assert his authority, but his reign was brief.

Philip I of Castile and Ferdinand II of Aragon signed the Treaty of Villaf

Philip I of Castile died suddenly at the age of 28 in Burgos, possibly from typhoid fever or poisoning. His death left Joanna as the sole ruler of Castile, but her mental instability led to her confinement and the eventual assumption of power by her father Ferdinand II.

Shushan Tigin was appointed governor of the Ghana Empire by the Almoravid rulers after their conquest. He administered the former imperial capital of Koumbi Saleh and collected tribute from subject peoples.

Shushan Tigin crushed a rebellion by the Soninke people, the original rulers of Ghana, who sought to restore their independence. He used Almoravid cavalry to defeat the rebels and reaffirmed Almoravid control.

Shushan Tigin introduced Islamic administrative practices to the Ghana Empire, including the use of Arabic for official records and the appointment of Muslim judges. This began the Islamization of the region's governance.