The population of Basra was 101,535 in 1947, and reached 219,167 in 1957. The University of Basrah was founded in 1964. By 1977, the population had risen to a peak population of some 1.5 million. The population declined during the Iran–Iraq War, being under 900,000 in the late 1980s, possibly reaching a low point of just over 400,000 during the worst of the war. The city was repeatedly shelled by Iran and was the site of many fierce battles, such as Operation Ramadan and Operation Karbala 5.