Agra Fort sis a UNESCO World Heritage site located in Agra, India. It is about 2.5 km northwest of its more famous sister monument, the Taj Mahal. The fort can be more accurately described as a walled city.
It is the most important fort in India. The great Mugals, Humayun, Akbar, Jehangir, Shah Jahan and Aurangzeb lived here, and the country was governed from here. It contained the largest state treasury and mint. It was visited by foreign ambassadors, travelers and dignitaries. it was originally a brick fort,held by the sikarwar.it was mentioned for the first time in 1080 AD when a Ghanznavide force captured it. Sikandar Lodi (1487–1517) was the first Sultan of Delhi who shifted to Agra and lived in the fort. He governed the country from here and Agra assumed the importance of the second capital. He died in the fort in 1517 and his son, Ibrahim Lodi, held it for nine years until he was defeated and killed at Panipat in 1526. Several palaces, wells and a mosque were built by him in the fort during his period.
After Panipat, Mughals captured the fort and a vast treasure - which included a diamond that was later named as the Koh-i-Noor diamond - was seized. Babur stayed in the fort in the palace of Ibrahim. He built a baoli (step well) in it. Humayun was crowned here in 1530. Humayun was defeated in Bilgram in 1540. Sher Shah held the fort for five years. The Mughals defeated the Afghans finally at Panipat in 1556.
Realizing the importance of its central situation, Akbar made it his capital and arrived in Agra in 1558. His historian, Abdul Fazal, recorded that this was a brick fort known as 'Badalgarh' . It was in a ruined condition and Akbar had it rebuilt with red sandstone from Barauli area in Rajasthan. Architects laid the foundation and it was built with bricks in the inner core with sandstone on external surfaces. Some 1,444,000[citation needed] builders worked on it for eight years, completing it in 1573.
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