The islamic Golden Age was from the mid 7th century to the mid-13th century. It was an era of stunning intellectual and cultural achievements. During this period islamic traders, artists, engineers, scholars, poets contributed to agriculture, the arts, technology and science both by preserving earlier traditions and by adding inventions and innovations of their own. Also they took some ofof Arab, Persian, Egyptian, and European traditions. During the Golden Age was created a great trading network which helped to spread technology, culture and religion throughout the country. Were developped such new business prectices as the use of credit, and banks to exchange currency. All these changes in trade helped to stimulate many of islamic cultural and intellectual achievements.