Answer Wiki. Wikipedia has a fairly good summary - Modern art - defining it broadly as art from much of the second half of the 19th century through nearly 3/4 of the 20th. There's also a piece on Modernism in the arts from the mid-19th century through the present.
Another major difference that can be seen between Cajun and Creole is in their foods. The food of Creole is Afro-European with some French flair. On the other hand, Cajun foods have a French influence. One can also see that the two sects of people practise and love different music.
10 hilariously insightful foreign words. The main difference between Creole and Cajun arguably is in migration history, as the latter group comes from Canada and the former combines people from Spain, Africa, the Caribbean and many other regions. Their cuisine is also different, varying in spiciness and the ingredients typically used for similar dishes.