A U.S.-supplied light water research reactor at the Pakistan Institute of Science and Technology begins operations. The second war between India and Pakistan breaks out. It lasts 22 days. India and Pakistan refuse to sign Nuclear NonProliferation Treaty. Pakistan launches a March attack in the East after an opposition group, aided by India, proclaims the independent nation of Bangladesh.
War erupts between India and Pakistan.
Pakistani troops surrender in December, ending the war. India tests a device of up to 15 kilotons. Following India's test, Pakistan's Prime Minister tells a secret meeting of the country's top scientists that Pakistan intends to produce nuclear weapons. China reportedly provides Pakistan with a bomb design. 1987 Leading Pakistani nuclear scientist Abdul Qadeer Khan says Pakistan has nuclear bomb.