The document summarizes the causes and key events of the 1965 India-Pakistan War. The main causes of the war included the Kashmir issue, hostility between Hindus and Muslims following the partition of India, and India's recent defeat by China in 1962. The war began in August 1965 when Indian forces crossed into Pakistan administered Kashmir. Initially India had success in Kashmir but Pakistan counterattacked successfully in Punjab. As air forces from both sides entered the conflict, the war escalated. The war ended in January 1966 with the Tashkent Agreement between India and Pakistan. The agreement was unpopular in Pakistan and weakened the political standing of Ayub Khan. In its aftermath, both countries increased defense spending and India strengthened ties