Page "Kabul" Paragraph 17

In 1537, Humayun was elsewhere on an expedition, when Sher Khan, a governor under Babur turned against his new master and overran the state of Bengal to established the Sur Empire.

whilst Humayun fled to Persia to seek the alliance of Shah Tahmasp I and recaptured Kabul from his brother Kamran Mirza with Persian military assistance and then against the Sur Dynasty and his own rebellious family members.

By 1555, he had regained his throne.