Sergey Ivanov Can we say that the button is an invention of the expiring millennium? Apparently not. In the Indus Valley, the city of Mohenjo-Daro was excavated, dating back to the third millennium BC - and so, a button was found there too. Chin-chinarem, with two holes for sewing. Occasionally, buttons are also found in ancient excavations, sometimes very beautiful: made of terracotta, gilded, etc.