Centuries: 5th century - 6th century - 7th century
Decades: 510s - 520s - 530s - 540s - 550s - 560s - 570s - 580s - 590s - 600s - 610s
Years: 565 566 567 568 569 570 571 572 573 574 575
Births
Deaths
... Contents Quackery Quackery is the practice of unproven, ineffective medicine, usually in order to make money or to maintain a position of power. Quackery has ...