Taoism
Taoism has no founder and no founding date, it grew out of various religious.
Taoism is not a religion, but is a way of thinking about life.
The yin yang symbol is one of the most common Taoist symbols, usually this symbol represents the positive and negative forces in the Universe.
Others symbols of Taoism are: the Eight Trigrams or Bagua, the Dragon, the Chinese character for "tao" and the Big Dipper.