The Battle of Karnal was the decisive engagement where Nadir Shah's forces crushed the Mughal army led by Emperor Muhammad Shah within a few hours.

Nadir Shah plundered Delhi in 1739 and took the Peacock Throne (commissioned by Shah Jahan) and the Kohinoor diamond back to Persia.

Nadir Shah, the ruler of Persia, invaded India in 1739 during the reign of Muhammad Shah 'Rangila', defeating the Mughals at the Battle of Karnal.

Farrukhsiyar issued a royal Firman in 1717 granting duty-free trading rights to the British East India Company in Bengal, which is often called the 'Magna Carta' of the Company's trade in India.

Abdullah Khan and Hussain Ali Khan, known as the Sayyid Brothers, were powerful nobles who played a decisive role in dethroning and appointing Mughal emperors (like Farrukhsiyar, Rafi-ud-Darajat, etc.) in the early 18th century.

Bahadur Shah I was given the title 'Shah-i-Bekhabar' by the historian Khafi Khan due to his lavish spending and lack of attention to administrative details.

Prince Muazzam, after defeating his brothers Azam and Kam Bakhsh, ascended the throne with the title Bahadur Shah I (also known as Shah Alam I).

The decline of the Mughal Empire is historically traced to the death of Aurangzeb in 1707 AD, which led to a war of succession, weak successors, and the fragmentation of the empire.

The walled city of Shahjahanabad had 14 gates (e.g., Kashmiri Gate, Delhi Gate, Ajmeri Gate, etc.).

While most of the fort is Shah Jahan's, Hira Mahal was a later addition by Bahadur Shah Zafar II.