There is a Small Mosque built by him known as the Humayun mosque in the city of Fatehabad. The reason behind the Mosque was built by the 2nd Mughal Emperor Humayun, who in his fight after his defeat at the hands of Sher Shah Suri happened to pass through the city of Fatehabad.
Humayun was born on 6th March 1508 in Kabul (Afghanistan). His real name was Nasir-ud-Din Muḥammad popularly known as Humayun.
He was the second (2) Emperor of the Mughal Empire, who ruled over territory in what is now Pakistan, Northern India, Afghanistan, and Bangladesh from 1530–1540, and again he ruled in the 2nd term from 1555–1556.
In the year 1530, He succeeded his father Babur founder of the Mughal Empire to the throne of Delhi as second (2nd) ruler of the Mughal territories in the Indian subcontinent.
Humayun lost the Mughal territories to Sher Shah Suri but regained them after 15 years 1555-56 with the help of the Safavid dynasty of Persia.
On 24 January 1556, Humayun, who died in the Library with his arms full of books, was descending the staircase from his library and he lost the balance fallen down from the staircase, and died.
In his memoir, his (sister Gulbadan begum) wrote his autobiography named "Humayunama" which was written in the Persian language.