Original sentence: Due to the exodus of Pieds-Noirs, the Cathédrale du Sacré-Cœur d'Oran was converted into a public library in 1984
Edited sentence: Due to the exodus of Europeans and Jews from the city in the aftermath of the Algerian independence war, during which many were killed, with the rest flew back to France, the Cathedral de Sacre Coeur was converted into a public library for the city's predominantly Muslim residents