Sidon came to existence in 4000 BC, and it was one of the most important cities of Phoenicia. From here, a great trading empire of the Mediterranean area was made. It was known for people who were good in making glass and purple cloth dyes. Glass making was a very important business in Sidon during in the Phoenician time, and it was done in big numbers. And, making of purple cloth dye was almost as important as glass making.