Wine making has been a massive part of Italian culture for thousands of years and was modernized with the Greek colonization around 800 BC. In the middle of the 20th century, the first Italian wine classification system was created. There are 4 major categories of wine classification in Italy. Vini, Vini Varietali, Vini IGP, Vini DOP. Some of Italy's most popular wines include reds like Sangiovese, Barolo, and Nebbiolo.