Final answer:
Agra was the first capital of the Mughal Empire in India. The Agra Fortress, also known as the Red Fort, is historically significant.
Step-by-step explanation:
The subject of the question is History.
The city of Agra is historically significant as it was the first capital of the Mughal Empire in India. The Mughal emperor Shah Jahan moved the capital from Agra to Delhi in 1648. The Agra Fortress, which is also known as the Red Fort, played a crucial role in the Mughal Empire and was a symbol of their power.