The history of the priodic tabled By essa alfadala Sep 12, 1400 the dark ages the dark age in europe was when all the world was devolping but it wasnt Sep 19, 1500 H. Cavendish Sep 19, 1735 A. de Ulloa Sep 19, 1751 F. Cronstedt Sep 19, 1771 W. Scheele Sep 19, 1772 D. Rutherford Sep 19, 1772 W. Scheele Sep 19, 1774 W. Scheele Sep 19, 1774 W. Scheele Sep 19, 1781 W. Scheele Sep 19, 1782 F.-J.M. von Reichenstein Sep 19, 1808 J. Black Mar 2, 2022 jabir bin hayyan he try to change lead to gold