Redirected from 521 BC
Decades: 570s BC - 560s BC - 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC - 480s BC - 470s BC
Significant People
... money or to maintain a position of power. Quackery has existed all throughout human history, and probably pre-dates the emergence of effective medicine. Quackery ...