- He was a slave of Mohammad Ghori.
- He was the first Sultan of Delhi and founder of the Ghulam dynasty (Mamluk Sultanate) of India.
- He ruled for only four years, from 1206 to 1210 AD. He died while playing polo in Lahore.
- He built the Quwwat Al Islam mosque in Delhi and the Adhai-din-ka-Jhonpra mosque in Ajmer.
- He started the construction of Qutb Minar in Delhi, which is dedicated to a famous Sufi Saint of the time, Qutubuddin Bakhtiar Kaki.
- He is also remembered as lakhbaksh or giver of lakhs, because of his generosity.
- He was the first to issue regular currency and declare Delhi as the capital of his empire.
- He introduced the silver tanka and the copper jital - the two basic coins of the Sultanate period, with a standard weight of 175 grains.
- He introduced Iqtadari system: division of empire into Iqtas, which were assigned to the nobles and officers in lieu of salary.
- He built the Hauz-i-Shamsi reservoir in Mehrauli in 1230.
- He completed the Qutub Minar started by Qutubuddin Aibak.
- Sultan Ghari which is considered the first Islamic Mausoleum in Delhi, was constructed by him in memory of his eldest son, Prince Nasiru'd-Din Mahmud.
- Genghis Khan, the Mongolian invader appeared for the first time on the banks of river Indus, during his reign.
- He was the longest serving Slave ruler who ruled for 25 years.
- She was the first woman to sit on the throne of Delhi
- She took over after the death of her father Iltutmish in 1236.