Ayub Khan served as the President of Pakistan from 1958 to 1969. He came to power through a military coup and declared martial law. During his rule, he introduced several reforms including land reforms, establishing industries, building dams for agriculture. However, he faced increasing criticism over corruption, nepotism, and his handling of the 1965 war with India. While there were some developments under his rule, he was unable to maintain national harmony in Pakistan.