The Japanese religions, including Shintosim and Buddhism, are rich and complex, and it contains many condradictory trends which may puzzle a Westerner. In the center of the tradition is Shinto, the "natural" religion of Japan. Also in the center is Buddhism, the Indian religion that was brought to Japan in the sixth century from Korea and China. Throughout the history of Japan, it has been these two religions that have contributed most to the Japanese understanding of themselves and their surroundings, and also to many important events.