Complex sentence: Many of its former inhabitants migrated to Europe during the 1960s through 1980s; large numbers of Moroccans in the Netherlands, Belgium, France and Spain were Al Hoceima natives.
Split into simpler sentences: Many of its former inhabitants migrated to Europe during the 1960s through 1980s. Large numbers of Moroccans in the Netherlands, Belgium, France and Spain were Al Hoceima natives.