This is a timeline of the significant discoveries CERN has made.
- 1973: The discovery of neutral currents in the Gargamelle bubble chamber.
- 1983: The discovery of W and Z bosons in the UA1 and UA2 experiments.
- 1989: The determination of the number of neutrino families at the Large Electron Positron Collider (LEP) operating on the Z boson peak.
- 1995: The first creation of antihydrogen atoms in the PS210 experiment.
- 1999: The discovery of the direct CP-violation in the NA48 experiment.