Please tell me about history and importance of Ujjain ?

ANSWER TO THE ABOVE QUESTION Ujjain is an ancient city of Malwa region situate in Madhya Pradesh. It is on the eastern banks of Kshirpa river. In the Indian history Ujjain known as Ujjaini finds a place from the times of Buddha, In the 10th and 11th Ujjain was a famous centre for mathematical and astronomical research. Ujjain was invaded by the forces of the Delhi Sultanate led by Iltutmish in 1235, suffering widespread destruction and systematic desecration of temples. Under the Mughal emperor Akbar it became the capital of Malwa. During the last half of the 18th century Ujjain was the headquarters of the Maratha leader Scindia. After Indian independence, the Scindia ruler of Gwalior acceded to the Indian Union, and Ujjain became part of the Madhya Bharat state. In 1956 Madhya Bharat was merged into the Madhya Pradesh state.. Important places to visit in Ujjaini Sri Sri Radha Madan Mohan Temple, of the ISKCON (International Society for Krishna Consciousness) or Hare Krishna Movement, also has a guest house and restaurant, and is a major attraction for tourists, though it is very new on the map of Ujjain. The temple of Maa Wagheshvari is known for its tall idol of the goddess Wagheshwari and "Sinh (lion) - Dwar (gate)". The Harsidhhi Temple is one of the Shaktipeeth, situated at 52 places in India. The Sandipani Ashram is where tradition says Shri Krishna was educated with Balarama and Sudama from Maharshi Sandipani. The Siddha Ashram, located between Ramghat and Narshinghat, is known for research in Ayurvedic medicine and Kundalini Shaktipat. The Kaliyadeh Palace, located on the north of the city, is one of the palaces belonging to royal Scindia family of Madhya Pradesh. The Bharthari caves is an ancient site which has some interesting legends associated with it. It is said that it holds tunnels which lead directly to 4 ancient dhams (char dham). These ways were later shut down by Britishers. Canopy (Chhatri or Dewali) of Veer Durgadas Rathore "the Great Warrior and protector of Marwar" at Chakratirth. The Observatory (Vedha Shala) built by a Rajput king, Raja Jai Singh II, in the 1720s, is one of the five such observatories in India and features ancient astronomical devices. The Prashanti Dham is a holy place, where Sai Baba's Ashram is situated. Jain temples: Jai Singh Pura Atishay Kshetra, Tapobhoomi, Avanti Parshwanath, Hanumant Baag, Manibhadradham Bhairavgarh. The Kothi Palace presents a sight worth watching in the evening. Altitude : 492 meters Temp Summer : Temp: 40