Rapid globalization has enabled people to frequently cross over national boundaries and interact with each other, however, on the other hand, it has also caused various conflicts. Tolerance of different cultures,  justice and rights are sometimes forgotten in the face of political and economic decisions and social  reality. The world is not currently at peace. In such circumstances, how can an academic planning history group contribute? Through the history of city planning, we are able to concentrate on a higher interest in the diversity of our world which makes it richer and to contribute ourselves to promoting further mutual understanding. In order to see the bigger picture of autonomous planning and urban cultures which have fostered our diversity through influential encouragement, it is necessary to build our understanding of perspectives in the real world history of planning.