Which is the oldest dance form?

Historians consider the dance form that is today known as belly dance the oldest form. It originated 6,000 years ago and was practised by many ancient cultures. Even though the modern belly dance has many negative connotations and is considered to be seductive, it had a totally different purpose in ancient times. Originally, it was performed only by women, for women, sometimes as a part of goddess worship and sometimes to celebrate womanhood. Its practical purpose was to exercise the abdominal muscles of women so that they could go through pregnancy and child birth successfully.