The history of the atomic model. By zoe.macdoanld1 Dec 24, 1808 John dalton proposes first atomic theory. https://www.khanacademy.org/science/chemistry/atomic-structure-and-properties/introduction-to-compounds/a/daltons-atomic-theory-version-2 Jan 1, 1904 J.J. thomson discovered the electron Jan 1, 1911 Ernest Rutherfords' Geiger–Marsden experiment https://www.britannica.com/science/Rutherford-atomic-model Dec 24, 1913 Niels Bohr proposes his model. https://www.nobelprize.org/nobel_prizes/physics/laureates/1922/bohr-facts.html