The Quwwat-ul-Islam mosque was built by Qutb-ud-din Aibak, founder of the Mamluk or Slave dynasty. Construction began in 1193 CE. It was the first mosque built in Delhi after the Islamic conquest of India. Construction of the Qutb Minar was started in 1192 by Qutb-ud-din Aibak, the first Sultan of Delhi, and was carried on by his successor, Iltutmish. In 1368, Firoz Shah Tughlaq constructed the fifth and the last storey. Delhi is said to be the site of Indraprashta, capital of the Pandavas of the Indian epic Mahabharata. Excavations have unearthed shards of painted pottery dating from around 1000 BCE, though the earliest known architectural relics date from the Mauryan Period, about 2,300 years ago. Since that time the site has been continuously settled. The city was ruled by the Hindu Rajputs between about 900 and 1206 CE, when it became the capital of the Delhi Sultanate. In the mid-seventeenth century the Mughal Emperor Shah Jahan (1628-1658) established Old Delhi in its present loc