This history happened one night, when Samuel Taylor Coleridge decided to spend night alone at home. Coleridge didn't fell weel and took some medicine for night. Next, he resolve to read a book at fireside and he fell asleep. During the sleep, he had uncommon dream. He dreamt about being in fantastic, exotic palace, when one stranger knocked to him. Since the stranger was knocking all the time, Coleridge annoyed and forgot his dream. He didn't finish his poem too. After that dream, he decided to write poem about his uncommon dream entitled Kubla Khan.