1. A region is known by the cultures and traditions (languages, food, clothes, poetry, dance, music, painting, etc.) of its people. But regional cultures change all the time.
2. In the 9th century, Malayalam was introduced as an official language by the kings of the Cheras Empire (in present-day Kerela). Most of Malayalam literature comes from Sanskrit, and some also from Tamil.
3. Many regional cultures grew around religious traditions. The Jagganatha temple in Puri, Odisha, for example, became a sign of political, social, and religious importance.
4. In the 19th century, Rajputana (present-day Rajasthan) was ruled by Rajput kings famous for their heroism, battle strategies, loyalty etc. And their stories were recorded in from of poems and songs.
5. Kathak is a form of Indian classical dance, and it was first performed in temples by a cult of story-tellers. But later, as part of the Bhakti Movement, it developed into a separate dance form. And during the Mughal reign, Kathak was performed in the royal court as a source of entertainment.
6. Miniature paintings were used to record history (battles, social lives, court scenes, etc.) and themes from poetry and mythology. And they were used in many places, including the present-day regions of the Deccan, Rajasthan, and Himachal Pradesh.
7. Sanskrit, Persian, and many European languages had a major influence on the Bengali language, and early Bengali literature can be divided into two parts: one related to Sanskrit and the other independent of Sanskrit.
8. After the Mughals invaded Bengal, they built many mosques. This led to a religious transformation and a cult of pirs (saints) developed. Many rulers also built many temples in Bengal between the 15th and the 19th centuries.
9. With Europeans came new job opportunities, and the lives and habits of many people changed.
10. Fish and rice have always been the main items of food for the people of Bengal. So fishing, a job done by many people, is depicted in the sculptures, paintings, and literature of Bengal. And many Brahmans in Bengal eat fish, even when most Brahmans in other parts of India don't