
He was not necessarily the very first, but he is one of the earliest Europeans to leave a long, detailed written account of China and the Mongol Empire.
Marco was about 17 years old when he set off in 1271 with his father and uncle.
Il Milione is the Italian name often given to Marco Polo's book, known in English as The Travels of Marco Polo, recorded by Rustichello da Pisa.
Some details are debated by historians, but many of his descriptions match other records. Overall the book changed how Europe viewed Asia.
Because his stories opened Europe to Asia, encouraged trade and mapmaking, and inspired later explorers, making him a symbol of curiosity and long journeys.