Kyle's Kewl Timeline By PMurphy Period: 300 to Jan 22, 2016 Scienece Period: 300 to Jan 1, 1974 Science 344 Astriloe survives Pursian attacks Period: 400 to Jan 22, 2016 Science Period: 430 to Jan 22, 2016 Science 460 Democrotis confirmed deceased Jan 1, 1803 Dalton discovers first useful atomic theory Period: Jan 22, 1987 to Feb 4, 2004 Back To the Future<<<<<