In the late-19th century and early-20th century, Catania began to be heavily industrialised, with its several factories and chimneys, often to the extant that it was referred to as Southern Italy's "Manchester". The economy of Catania suffered heavily from the bad effects of World War I, and was marked by an economic crisis and recession that culminated in the 1920s. Since then, the city lost its industrial and entrepreneurial importance. In the 1930s, Catania remained a small fishing town with derelict and disused industries. However, after the destruction of World War II, Catania's economy began to re-grow in the late-1950s and early-1960s. As a matter of fact, the city's economic growth was so rapid and dynamic that it was often nicknamed the ""Milan of the South"", or in Italian ""Milano del Sud"". This rapid economic growth prompted a great number of Sicilians living in the more rural areas, or smaller towns such as Enna, Ragusa and Caltanissetta, to move to the city to seek new jobs.