Olives and olive oil were not only an important component of the ancient Mediterranean diet but also one of the most successful industries in antiquity. Cultivation of the olive spread with Phoenician and Greek colonization from Asia Minor to Iberia and North Africa and fine olive oil became a great trading commodity right through to the Roman period and beyond. The olive also came to have a wider cultural significance, most famously as a branch of peace and as the victor's crown in the ancient Olympic Games.
This is a companion discussion topic for the original content at https://www.worldhistory.org/article/947/the-olive-in-the-ancient-mediterranean/.