From mining to Arizona Indians to Route 66, the history of Arizona began long ago. Through time, Arizona has evolved into a diverse state. Learn more about Arizona history by discovering what took place in certain areas of the state. Discover that copper mining played a big role in Eastern Arizona and the Colorado River influenced the development of Western Arizona. Once you have gathered information on areas of the state, you will want to begin your research into specific Arizona cities and towns. Click here to start collecting - Arizona History.