one of the most interesting, complex, and fascinating part of rio de janeiro's recent history is the appearance and development of the favelas - a phenomenon with so many aspects, facets, and implications to warrant a bread range of in-depth studies.

in this section we simplified and summarized in chronological order some of the most important dates, periods, and programs that defined the relationship between the 'formal city' and rio's communities.

understanding the long history and background of favelas is vital when putting into perspective the current metropolitan situation, and the importance and significance of the unprecedented successes reached in the past decade in both urbanization and integration.

furthermore, a glimpse in nearly two centuries of relationships between the formal city and the favelas is helpful in understanding and appreciating the unique art and cultural development of these communities.