History of the Atom Timeline ( Zavier Wilson & Alexton Hall By alexzahvy 200 Democritus Atom 492BCEDiscovery Feb 27, 1803 John Dalton's Experiment history of the atom</a>http://thehistoryoftheatom.weebly.com/john-dalton.html Feb 27, 1897 Thomson Atomic Model The Atomic Discovery Feb 27, 1898 RutherFord's Model RutherFord's Model Feb 27, 1926 Schrodinger Atomic Model Schrodinger's Model Feb 27, 2015 Bohr's Atomic Model [Bohr's Model](http:///the-history-of-the-atom.wikispaces.com/Niels+Bohr)