The Taj Mahal in Agra is often referred to as the 'Jewel of India' and is one of the most famous UNESCO World Heritage Sites.

The Battle of Plassey was fought between Robert Clive of the British East India Company and Siraj-ud-Daulah, the Nawab of Bengal.

The Ganga (Ganges) River is the longest river flowing through UP, spanning a significant length across the state.

Chauraschi Gumbad (84 domes) is a historical structure located in Jaunpur district, built during the Sharqi dynasty period.

Lucknow is the capital of Uttar Pradesh and the largest city in the state by population.

Bara Imambara was built by Asaf-ud-Daulah, the Nawab of Lucknow, not a Mughal emperor. However, it represents the Mughal architectural influence in Lucknow during late Mughal period.

The Lucknow Pact was signed in 1916 between the Indian National Congress and All-India Muslim League to secure joint demands for constitutional reforms.

UP became the most populous state in India after the 1981 Census, surpassing Maharashtra.

UP shares borders with 8 states: Bihar, Jharkhand, Chhattisgarh, Madhya Pradesh, Rajasthan, Haryana, Delhi, and Uttarakhand.

The Kosi River, originating in Nepal, is known as the 'Sorrow of Bengal' due to frequent floods. It flows through UP before entering Bihar.